gas/ gæs /

1.noun [c/u] [化] 
气体

2.noun [u] 
(for cooking,heating) 煤气

3.noun [u] [US] [inf] 
(also: gasoline) 汽油[英 = petrol] 
4.noun [u] 
(anaesthetic) 麻醉气

5.vt.
(kill) 用毒气处死

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