Polypak
苯乙烯、二乙烯苯共聚物
🗣️ 情景例句
He should just about get by in the exam.
他这次考试还能勉强及格。
Go that way for two blocks,then turn left.
用那种方法为镞走2街区然后向左拐。
Would you like me to demonstrate it for you?
要不要我来为你示范一下？