Allowable opening diameter
[化] 允许开孔直径
🧩 词语组成解析
allowable
[ə'lauəbəl]
adj. 允许的，正当的，可承认的;许用;
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
I made an appointment with the doctor at three.
我和医生约好3点钟看病。
A strange thing happened to me this morning
一件奇怪的事情今早发生了在我身上。
It was no use pretending that I had not seen him, so I waved to him.
若再装作没看见他已是没有用了，我只好向他招手。