Preimpregnate
n. (混合成分)保混剂,预浸(渍)
🗣️ 情景例句
Do I know you?
我认识你吗？
I hope you believe me.
我希望你相信我。
and in the course of a few hundred miles reaches the true ocean floor at 2,500-3,500 fathoms.
一直延伸到几百英里远深达2，500至3，500的地方，