He has had a hacking cough for weeks.
他常连续几星期地
。
He has had a hacking cough for weeks.
他常连续几星期地。
The patient with emphysema is hacking all day.
个肺气肿病人整天不断地。
It may also be referred to as "draining" (when exploring drains) "urban spelunking", "urban caving", or "building hacking".
它同样
被称为“下水道
索”，“城市洞穴
”，“建筑”
。
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