Blastocelic
[医] 囊胚腔的
🗣️ 情景例句
He's living on easy street.
他过得很富裕。
By what time should I check in?
我该什么时间办理登机手续呢？
We have learnt to expect that trains will be punctual.
我们已经习惯于相信火车总是准点的。