Threaded inspection opening
[化] 螺纹检查孔
🧩 词语组成解析
a. 有线状图案装饰的
opening
['opənɪŋ]
n. 开幕，开始;空缺的职位;[商]开盘，交易开始时间;（职位的）空缺;
adj. 首次的，开始的;
v. （打）开( open的现在分词);开始;睁开;启动;
open 开；开始+ ing 名词后缀 → 开始的\r\n
🗣️ 情景例句
My wife and I are celebrating our fifth anniversary.
我太太和我要庆祝一下我们的结婚五周年。
Nothing is impossible (or difficult) to the man who will try.
天下无难事，只怕不努力。
Would you like to do that now?
你要现在就讨论吗？