Pellidon
多孔聚酰胺膜
🗣️ 情景例句
It's not difficult.
这不难。
The computer technician reads the paper tape.
电脑的技术人员在解读纸带。
One young calf especially enjoyed raising a turtle to the surface with his snout and then shoving him across the tank like an aquaplane.
一只小海豚特别喜欢用鼻子把海龟推到水面，然后像滑水板一样把海龟从水池的这一边推到那一边。