Apical placentation
顶生胎座式
🧩 词语组成解析
a. 顶端的\\n[医] 尖的, 尖端的
[解、动]胎盘形成
🗣️ 情景例句
Oh my!
噢 ，我的天！
Do one's level best.
尽力而为。
We had to climb over some rocks and it started to rain.
我们不得不爬过一些岩石，这时开始下起雨。