Placentotherapy
[医]胎盘制剂疗法
🗣️ 情景例句
But?
但是什么？
A boisterous horse must have a rough bridle.
烈马要套粗笼头。
They may also have used wood and skins, but these have rotted away.
他们也可能用过木头和兽皮，但这类东西早已腐烂殆尽。