Expanding mandrel
[机] 胀缩心轴
🧩 词语组成解析
expanding
[iks'pændiŋ]
adj. 展开的，扩大的;
v. 使…变大( expand的现在分词 );扩大;伸展;伸开;
n. 心轴\\n[医] 轴柄
🗣️ 情景例句
Mama, what are they doing to me? Help!
妈妈 ，他们在对我做什么？ 救命呀！
But Li Ming has promised to come home for the summer vacations.
但是李明已经答应暑假回家。
The doctor asked me to watch what I eat.
医生要我注意饮食。