Polybenzimidazole
聚苯并咪唑
🗣️ 情景例句
is better for Michelle.
对 Michelle要好些。
The lone sheep is in danger of the wolf.
孤独的羊难免遭狼的危险。
Which may keep company with the vessel for an hour without visible or more than occasional movement of wing.
它们随船飞行一小时也难得见其扇动一下翅膀。