Polystyrenes
(polystyrene 的复数) n. 聚苯乙烯\\n[化] 聚苯乙烯
🗣️ 情景例句
Skip, hop, front.
跳 蹦 向前
The cameraman is filming a famous star.
摄影师正在拍摄著名影星的电影。
Class 3 and Class 1 were in front!
他们两人同时传出接力棒。这时3班和1班在前边！