Plaentoid
胎盘样的
🗣️ 情景例句
I was elected the student body president at my college.
我被选为校学生会主席。
I'm expecting promotion to management level.
我指望晋升到经理的职位。
as the wave leaves the particles behind back to its starting point again.
当波浪把微粒留在身后时又回到出发点。