Cellase
[机] 纤维二醣
🗣️ 情景例句
and I've completely forgotten about all my business problems.
但我已经彻底抛开了我所有的业务上的问题。
Pupil. He is studying.
学生。正在学习。
London is on the river Thames.
伦敦位于泰吾士河边。