Closed drain
[医] 阴沟, 暗渠
🧩 词语组成解析
closed
[klozd]
adj. 关闭着的，封闭着的;密闭着的，保密的;<美>准备好了的，定了契约的;
v. “close”的过去式和过去分词;
clos=close关闭+ed已...的→关闭了的
drain
[dren]
vi. 排水;流干;
vt. 喝光，喝干;使（精力、金钱等）耗尽;使流出;排掉水;
n. 排水;下水道;排水系统;[医]引流;
🗣️ 情景例句
Can you boil some potatoes for me? I'm making potato salad.
你能帮我煮些土豆吗？ 我今晚要做沙拉酱。
A clear conscience is a sure card.
光明磊落，胜券在握。
So he had gone to the stores and had obtained a fixture that fitted both the tap on the supply line and the end of the air-line.
所以他就到仓库找到一个既适合供应管也适合供气管的接头。