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N-UNCOUNT
氣體燃料；天然氣；煤氣
Gas is a substance like air that is neither liquid nor solid and burns easily. It is used as a fuel for cooking and heating.
例句
Coal is actually cheaper than gas...
煤實際上比煤氣便宜。
Shell signed a contract to develop oil and gas reserves near Archangel.
殼牌石油公司簽訂了一份開采阿爾漢格爾附近的石油和天然氣資源的合同。
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N-VAR
氣體
A gas is any substance that is neither liquid nor solid, for example oxygen or hydrogen.
例句
Helium is a very light gas.
氦是一種非常輕的氣體。
...a huge cloud of gas and dust from the volcanic eruption.
火山噴發形成的混雜著氣體和塵埃的巨大云團
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N-MASS
毒氣，瓦斯（可用作武器）
Gas is a poisonous gas that can be used as a weapon.
例句
...mustard gas...
芥子氣
The problem was that the exhaust gases contain many toxins.
問題在于廢氣中含有很多毒素。
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N-MASS
（醫用）麻醉氣
Gas is a gas used for medical purposes, for example to make patients feel less pain or go to sleep during an operation.
例句
...an anaesthetic gas used by many dentists.
為許多牙醫使用的一種麻醉氣
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N-UNCOUNT
（車輛用的）汽油
Gas is the fuel which is used to drive motor vehicles.
例句
...a tank of gas.
一桶汽油
...gas stations.
加油站
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VERB
用毒氣殺死
To gas a person or animal means to kill them by making them breathe poisonous gas.
例句
Her husband ran a pipe from her car exhaust to the bedroom in an attempt to gas her.
她的丈夫將一根與她的汽車排氣管相通的管子導入臥室，企圖用毒氣將她殺死。
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N-SING
活潑有趣的事；令人愉快的場面
You can describe a situation or event as a gas when it is very lively, amusing, and enjoyable.
例句
It was really a gas to find someone I could talk with.
找到一個能和我談得來的人真是一件讓人高興的事。
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PHRASE
加大油門；加速
If you step on the gas when you are driving a vehicle, you go faster.