Catchdrain
集水沟, 截水沟
🗣️ 情景例句
Food is necessary to maintain life.
食物是维持生命所必须的。
He is a creative writer.
他是个有创造力的作家。
Portable boiling elements that can boil small quantities of water are useful when the right voltage of electricity is available.
如果有相配的电压，可以煮少量水的便携式热水装置是有用的。