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
Maybe you can photogragh a class,
也许你来拍一次上课的情形，
What is your guess about the outcome of this meeting?
你认为这项会议的结果将会如何呢？
It's often windy in March.
3月里常常刮风。