Chlorinatedpolypropylene (cpp)
[化] 氯化聚丙烯
🗣️ 情景例句
What-are you doing?
你在做什么？
What color is your book?
你的书是什么颜色？
We've seen several members of the family since we arrived my grandfather and my aunt and uncle.
自我们回来以后已经见到了好几个家庭成员祖父、姑姑和叔叔。