Nanoperm
毫微坡莫(透气率, =10的-9次方Perm)
🗣️ 情景例句
I would be happy to show you around.
我很乐意带你到四周看看。
Can you help me out? I'm trying to find a post office.
你能帮我个忙吗？我想找个邮局。
She spent a lot of money on books.
她花了很多钱来买书。