Eolotropy
[物]各向异性
🗣️ 情景例句
I want to send this letter to China, by air mail.
我想把这封信航空邮到中国。
A good idea came into my mind.
我想到一个好主意。
It was j-223,just double the second item.
j-223第二项的订量要加倍。