Preplasticizer
预增塑剂
🗣️ 情景例句
If the owners don't claim the dog in forty-eight hours,
如果狗的主人在四十八小时内不认领，
How much is it?
多少钱？
A long time ago, one of his ancestors who lived in Africa went into the forest to cut down a tree to make a drum.
很久以前，他那生活在非洲的祖先中有一人走进森林去砍树来做鼓。