S-trap
s形下水管存水弯
🧩 词语组成解析
trap
[træp]
vt. 诱骗;使受限制;困住;使（水与气体等）分离;
n. 圈套;（对付人的）计谋;（练习射击用的）抛靶器;（捕捉动物的）夹子;
vi. 设陷阱;装捕捉机;设圈套;
🗣️ 情景例句
He gives his harness bells a shake
摇动， 绳上的铃铛
Fair faces need no paint.
貌美毋须修饰。
Unfortunately you'll have to pay the fine before you check those books out.
在你借书之前你要先付清罚款。