Filling opening
[化] 填充孔; 注入孔
🧩 词语组成解析
filling
['filiŋ]
n. 装满，填满;填充物;（糕点内的）馅;（织品的）纬纱;
v. 填满(fill的ing形式);
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
How have you been?
你近来怎么样？
I've hurt my finger.
我割伤手指头了。
Yu Yan and Jim were neck and neck. They both passed on their sticks at the same time.
余延和吉姆跑得一样快。