Nanoperm
毫微坡莫(透气率, =10的-9次方Perm)
🗣️ 情景例句
What do you think of the terms of payment?
关于付款条件你们有什么意见？
An ass endures his burden but not more than his burden.
驴子能负重，但不堪超过力之所及。
Thanks for your letter.
谢谢你给我来信。