Blastodisk
[医] 胚盘, 胚层
🗣️ 情景例句
we can ship the goods one month ahead of time.
我们可以提前一个月起运。
After a while,we found a shady place under some poplar trees.
在一会儿以后，我们在一些白杨树下面发现了一块遮阴的地方。
She was too excited to do any housework that morning,
那天上午，她兴奋得什么家务活都不想做，