Biogel
[化] 生物凝膠
??? 情景例句
If you'd like to hear some new English songs, I suggest you download them from the web.
如果你想聽一些新的英文歌，我建議你上網下載。
The more a man knows, the more he is inclined to be modest.
大智若愚。
What kind of quality control do you have?
你們用什么辦法來控制質量呢？