Impermeable graphite
[化] 不透性石墨
🧩 词语组成解析
🗣️ 情景例句
He's a friend.
他是位朋友。
The German quotation is lower than yours.
德国报价比你们的低。
She put away her compact and smiled kindly.
她放好了粉盒，慈祥地微笑着。