吸烟有百害而无一利，但却容易成瘾，因此危害是致命的：吸烟者中三分之一到一半的人寿命缩短。
Vile indeed, but habit-forming and therefore lethally dangerous: it cuts short the lives of between a third and half of its practitioners.
众议院一分组委员会将于下周就《无烟害环境法案》进行投票，这项法案是国会有史以来最看重的禁烟法案，也可能是最全面的禁烟法案。
A House subcommittee... will vote next week on the Smoke-Free Environment Act, perhaps the most sweeping antismoking legislation Congress has ever seriously considered.
渍害低产农田的研究，长期以来是人们十分关注的问题。
It has long been concerned much to study the low yielding swamped farmlands.
在当今“毒”害亚文化泛滥成灾的背景下，倡导文化禁毒显得十分必要。
Under the background of present subculture of "harmful drug", it is necessary to advocate cultural anti-drug.
在当今“毒”害亚文化泛滥成灾的背景下，倡导文化禁毒显得十分必要。
Under the background of present subculture of "harmful drug", it is necessary to advocate cultural anti-drug.
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