Polydivinylbenzene
聚二乙烯基苯
🗣️ 情景例句
There's always a friend around when you need one.
当你需要朋友帮忙的时候，总会有朋友在你身边的。
The locusts completely wiped out this year's crops.
蝗虫使今年的庄稼全毁了。
Most people eat, write, and work with their right hands.
大多数人吃饭，写字，工作都用右手。