Neosepta
一种离子交换膜
🗣️ 情景例句
It was a pleasure having you. Please come again.
和你在一起我们非常荣幸，请有空常来。
Knowledge is a treasure, but practice is the key to it.
知识是一座宝库，实践是打开宝库的钥匙。
The struggling musician and the struggling artist. What a pair!
艰苦奋斗的音乐家和艰苦奋斗的画家在一起。真是难兄难弟！