P-trap
[建] P型存水弯
🧩 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
This has been a long day.
这是个漫长的一天。
Where were you yesterday afternoon?
你昨天下午在哪儿？
Yet a great many processes depending on such research are sought for with complete secrecy until the stage at which patents can be taken out.
然而，依赖这种研究的很多工艺程序是在完全保密的情况下进行的，直到可以取得专利权的阶段为止。