Gnotobasis
无菌环境
🗣️ 情景例句
Sheet--s-h-e-e-t.
Sheet s-h-e-e-t。
Hide nothing from thy physician.
切莫讳疾忌医。
While I write my pen moves, but the paper keeps still.
我写字时，笔是移动的，纸是静止的。