Epsa
[医][=embryo placental specific antigen]胚胎胎盘特异性抗原
🗣️ 情景例句
It's a serious matter for a lot of us.
对我们许多人来说这可是个严重的问题。
Please leave me alone.
请别打扰我。
The swallow shares the virtues of both schools in highest measure.
燕子充分兼有这两类鸟的长处，