Vacuumization
真空处理
🗣️ 情景例句
There are several tours of the Grand Canyon.
到大峡谷有好几个旅游团。
In university, students are trained to become doctors and nurses.
大学的学生被训练成为医生和护士。
it is customary for the new arrival to be placed between the stalls of two captives whose training is already well advanced.
通常是把新到的安置在两头训练得很好的大象的象厩中间，