| 例句 |
There was an unpleasant smell coming from the drains.下水道里发出一种难闻的气味。She poured the bucket of dirty water down the drain.她把那桶脏水倒到下水道里。The rats skittered around them in the drains and under the floorboards.无论是下水道里，还是地板下面，都有许多耗子绕着它们蹿来蹿去。Noxious gases had built up in the sewer.下水道里的有害气体越积越多。 |