Unit6单词讲义
disaster
词性：名词
中文意思：灾难，灾害
英文释义：a sudden event, such as an accident or a natural phenomenon, that causes great damage or loss of life
词源：来自拉丁语的dis（否定）和aster（星星），最初指天空中异常明亮的星星，后来引申为各种灾难。
例句：The earthquake was a terrible disaster for the people in that area.
固定搭配：natural disaster（自然灾害）、manmade disaster（人为灾害）、disaster relief（救灾工作）
近义词：calamity, catastrophe, tragedy
tube
词性：名词
中文意思：管子，管道；电子管；地铁
英文释义：a hollow cylindrical object on which sound or pictures are carried; a long, narrow passage through which something can pass
词源：来自古法语的tube，最初指一种用于输送液体或气体的空心圆柱形物体。
例句：I need to buy a new tube for my bike tire.
固定搭配：subway tube（地铁隧道）、TV tube（电视显像管）、air tube（气管）
近义词：pipe, conduit, channel
plus
词性：介词、连词、副词、形容词
中文意思：加，加上；而且，另外；正数；优势
英文释义：used to indicate addition or increase; used to connect clauses or sentences; used to show a positive quantity or value; having an advantage over others
词源：来自拉丁语的plus，最初表示“更多”或“超过”。
例句：Two plus two equals four.（二加二等于四。）
固定搭配：plus sign（加号）、plus size（加大号）、plus and minus（正负）
近义词：additionally, furthermore, moreover, additionally
erupt
词性：动词
中文意思：爆发，喷发；突然发生
英文释义：to burst out violently from within; to happen suddenly and unexpectedly
词源：来自拉丁语的eruptio，最初指火山喷发。
例句：The volcano erupted last night, spewing lava and ash into the air.
固定搭配：volcanic eruption（火山喷发）、erupt into laughter/tears（突然大笑/大哭）
近义词：explode, burst forth, break out
immediately
词性：副词
中文意思：立刻，马上；直接地，紧接着地
英文释义：at once; without delay; directly or immediately afterward
词源：来自拉丁语的immediatus，最初表示“没有中间环节的”。
例句：Please call me immediately if you need any help.（如果你需要帮助，请立即给我打  。）
hurricane
词性：名词
中文意思：飓风
英文释义：a violent storm with strong winds and heavy rains, usually in the tropics
词源：来自加勒比语的huracán，意为“恶魔”或“幽灵”
例句：The hurricane destroyed many houses in the coastal town.
固定搭配：hurricane season（飓风季节）
近义词：typhoon, cyclone
landslide
词性：名词
中文意思：山崩；滑坡；压倒性胜利
英文释义：a sudden fall of a large amount of rock, earth, etc. down a hill or mountainside; an overwhelming victory in an election or petition
词源：来自英语landslide（滑动的土地），land（土地）和slide（滑动）的组合。
例句：The landslide caused great damage to the village.
固定搭配：landslide victory（压倒性胜利）
近义词：triumph, victory
occur
词性：动词
中文意思：发生；出现
英文释义：to happen or take place; e into existence or be noticed
词源：来自拉丁语occurrere，意为“跑到前面”。
例句：The accident occurred at midnight.
固定搭配：occur to someone（某人突然想到某事）
近义词：happen, take place, arise
announcement
词性：名词
中文意思：公告；宣布；声明
英文释义：a public statement that gives information about something important
词源：来自拉丁语annuntiatio，意为“报告”或“通知”。
例句：The announcement was made by the pany's CEO.
固定搭配：make an announcement（发布公告）
近义词：declaration, statement, report
forecast
词性：名词/动词
中文意思：预报；预测；预言
英文释义：a statement about what is likely to happen in the future; to predict or estimate (something) that will happen in the future
词源：来自古法语forecastier，意为“预见”。
例句：The weather forecast said it would rain tomorrow.
固定搭配：weather forecast（天气预报）
近义词：prediction, prophecy, foretelling
grab
词性：动词
中文意思：抓取；夺取；抢占
英文释义：to take hold of something suddenly and forcefully; to seize or take something quickly and often without permission
词源：来自中古英语grabben，意为“抓住”。
例句：He grabbed the book from the table and ran out of the room.
tsunami
词性：名词
中文意思：海啸
英文释义：a series of ocean waves caused by an underwater disturbance, such as an eart
hquake or volcanic eruption
词源：来自日语的“津波”（tsunamisu），意为“海涛”或“海浪”。
例句：The devastating tsunami struck the coast with immense force.
固定搭配：several tsunami waves（几波海啸）、tsunami warning（海啸预警）
event是什么词性
近义词：seismic sea wave、tidal wave
reliable
词性：形容词
中文意思：可靠的，可信赖的
英文释义：able to be trusted or relied on; consistently good in quality, performance, or behavior
词源：来自拉丁语reliabilis，意为“可靠的”。
例句：He is a reliable friend who always keeps his promises.
固定搭配：reliable source（可靠来源）、reliable information（可靠信息）
近义词：dependable、trustworthy、steadfast
rescue
词性：动词/名词
中文意思：救援，营救
英文释义：to save someone or something from danger or harm; an act of saving someone or something from danger or harm
词源：来自中古英语rescúe，意为“解救”。
例句：The firefighters worked tirelessly to rescue people trapped in the burning building.
固定搭配：rescue mission（救援任务）、rescue team（救援队）
近义词：save、free、deliver
emergency
词性：名词
中文意思：紧急情况，突发事件
英文释义：a serious, unexpected, and dangerous situation that requires immediate action to be taken
词源：来自拉丁语emergens，意为“出现的”或“显现的”。
例句：In case of an emergency, call 911 for help.

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