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
I have to take your measurements.
我必须要你的尺寸。
What's wrong now?
现在又怎么了。
An even harder situation is to be on the platform in good time for a train and still to see it go off without you.
更难堪的情况是虽然及时赶到站台上，却眼睁睁地看着那趟火车启动，把你抛下。