S-traps
(s-trap 的复数) s形下水管存水弯
🧩 词语组成解析
n. 随身携带物, 什物, 家具, 行李
🗣️ 情景例句
should not be legally joined in marriage?
不该合法结婚的，
Learn to say before you sing.
按部就班。
the main complicating facts of human life must remain unintelligible.
我们才能明白人类生活中主要的复杂现象。