Epidium
心外膜
🗣️ 情景例句
She's been sneaking around on her husband.
她一直在欺骗她的丈夫。
To sink
沉下
and assuming such an automatic messenger picked up our first broadcasts of the 1920's,
假定外星人的这种自动化信息装置接收到了我们二十世纪二十年代的第一次广播信号，