adj.习惯于,适应;
v.使用,利用,运用;服用;消耗(use的过去式);
例句:
They used strings previously treated with powdered glass.
他们使用了事前用玻璃粉末处理过的绳子.
The medicine is used to assuage pain.
这种药用来止痛.
The new weapon was too inhumane to be used.
这种新式武器太惨无人道而不宜使用.