Placentas
n. 胎盘, 胎座( placenta的名词复数 )
🗣️ 情景例句
This has been a hard course for me.
这门课对于我来说很难。
Speech is silver,silence is gold.
言语是银，沉默是金。
The workmen struggled fiercely and one of them lost his temper.
两个工人奋力抗争，其中一个发了火，