Nonhydrocarbon
非烃
🗣️ 情景例句
I appreciate your help very much.
我非常感激你的帮助。
It is better to be alone than in bad company.
无友要比交坏友好。
Dad, this box is too heavy. We can't carry it.
爸爸，这个箱子太重了，我搬不动。