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
That's it. That's it.
对了， 就这样。
I cannot afford two days off a week.
我忙得无法一星期抽出两天休假。
When you think of the innumerable birds that one sees flying bout,
你可以想象出天上有看得见的飞来飞去、数不清的鸟，