Hydroapatite
水磷灰石
🗣️ 情景例句
I remember you and your wife
我便一直记得你和你太太
Be prepared to put one's hand in one's pocket.
准备慷慨解囊。
This is done by a great number of ring-shaped air jets on the bottom of the craft.
船底装上大量环状喷气嘴以实现这一目的。