Plasticon
聚苯乙烯薄膜; 聚苯乙烯薄膜
🗣️ 情景例句
Dig in, everyone!
大家吃吧。
Does it make any difference to you whether we have our lesson at two o'clock or at three o'clock?
我们在两点上课还是在三点上课，你觉得有关系吗？
I felt very nervous when I went into his office.
我走进他的办公室，感到非常紧张。