Sepcete
薄膜型液相色谱填充剂
🗣️ 情景例句
Lacks knowledge or experience.
知识匮乏或经验不足。
Let me put it this way.
让我这么说吧。
After you printed the book, you had to throw away the carved pieces of wood.
你把书印出后，不得不把刻过的一片片木板扔掉。