He had smoked half a packet of cigarettes.是什么意思？

He had smoked half a packet of cigarettes.

他已经吸了半包香烟。

he

pron. 他，它，一个人；n. 雄性动物；

例句
Logic had prevailed and he had abandoned the idea.
最终理智占了上风，他打消了那个念头。

had

v. 有（ have的过去式和过去分词 ），（亲属关系中）接受，拿，买到；

例句
He claimed that his parents had abandoned him...
他声称父母遗弃了他。

smoked

adj. 熏制的，用烟处理的；v. 冒烟( smoke的过去式和过去分词 )，抽烟，用烟熏制，吸（烟），抽；

例句
Legs of pork were cured and smoked over the fire.
在火上熏制猪腿。

half

adj. 一半的，半个的；n. 半，一半，（啤酒等饮料的）半品脱，（比赛、音乐会等的）半场；adv. 一半，部份地；

例句
Too often he only absorbs half the information in the manual...
他对于说明书上所说的经常是一知半解。

packet

n. 小包，信息包，邮船，大笔款项；vt. 包装，打包，用邮船运送；

例句
He went out to buy a packet of cigarettes.
他出去买包烟。

of

prep. 关于，属于…的，由…制成；aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气]；

例句
He did have a real knowledge of the country...
他对该国的确知之甚多。

Cigarettes

n. 纸烟，香烟( cigarette的名词复数 )；

例句
Do either of you smoke cigarettes or drink alcohol?...
你们俩有人吸烟或喝酒吗？