Vacuum expander
[化] 真空膨胀器\\n[医] 真空膨胀器
🧩 词语组成解析
expander
[ɪk'spændə]
n. 使增大者，使身体健壮的强身器具;
🗣️ 情景例句
Keep it down!
小点儿声！
I would like to talk to your chief.
我想请你们主管讲话。
What's that over there?
那边的是什么呀？