Epsa
[医][=embryo placental specific antigen]胚胎胎盘特异性抗原
🗣️ 情景例句
No, no, I'm just a little upset.
没有，没有受伤，只是情绪有点不稳。
A man may love his house well without riding on the ridge.
有宝何必人前夸。
A colony of bees had turned the engine into a hive and it was totally preserved in beeswax!
一群蜜蜂把发动机当作了蜂房，发动机在蜂蜡中被完整地保存了下来。