Preparing for the College Entrance Examination for a whole year can drain many students of their energy.(备战高考一年会让许多学生觉得精疲力尽。)
He will drain, rather than enrich, the country.(他将耗尽而不是增加国家的财富。)
Having the decision hanging over your head is a huge energy drain.(在你的脑子里反复思考一个决定是会消耗大量能量的。)
Miners built the tunnel to drain water out of the mines.(矿工们开掘了隧道以将水排出矿井。)
The water swirled down the drain.(水打着旋流进了下水道。)
When people wash these clothes, microfibers go down the drain with the wash water.(当人们洗这些衣服时，超细纤维会随着洗涤水一起流到下水道里。)
It's just money down the drain, you know.(你要知道，这是白白丢钱。)
By contrast, dry soils are sandy and porous, their coarse textures permitting water to drain rapidly.(相比之下，干燥的土壤是沙质和多孔的，其粗糙的质地允许了水分的迅速流失。)
She tipped the dirty water down the drain.(她把脏水倒入了下水道。)
It is held there by the force of surface tension without which water would drain instantly from any wet surface, leaving it totally dry.(它是由表面张力的力量保持的，没有它，水会立即从任何潮湿的表面流失，使它完全干燥。)
