Every half an hour I stop (work) to smoke a cigarette.
我每半小时停下工作抽一支烟。
He lit a half - cigarette and almost immediately put it out again.
他点燃半支香烟，但又马上把它熄灭了。
The only clue to the identity of the murderer was a half-smoked cigarette.
鉴定谋杀者的唯一线索是一枝吸了一半的香烟。
Every half an hour I stop work to smoke a cigarette.
我每半个小时停下工作抽一支烟。
Every half an hour I stop work to smoke a cigarette.
我每半个小时停下工作抽一支烟。
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