Desivac
冰冻干燥法, 冻干法
🗣️ 情景例句
We have a wide connection in U.S.A.
我们在美国各地有广泛业务关系。
Who knows not how to dissemble knows not how to live.
掩饰感情全不会，怎样生活必不知。
'Do you always get up so late? It's one o'clock!'
“你总是起得这么晚吗？现在已经1点钟了！”