Hollow cylinder
[化] 薄壁圆筒
🧩 词语组成解析
hollow
['hɑlo]
adj. 空的;空洞的;虚伪的;空腹的;
n. 洞，坑;山谷;
vt.& vi. 挖空（某物），变空;挖出（孔、洞）;
adv. 完全，彻底;
🗣️ 情景例句
He'll do anything to avoid getting down to math lessons,
他老是设法想逃避数学，
How is it going with you?
你过得怎样？
That's a great idea!
好主意！