Desmocranium
[医] 颅胚[中层胚的]
🗣️ 情景例句
He's got 20/20 vision.
他的视力很正常。
John has built up his own business.He owns a hotel.
约翰建立了他自己的生意，他拥有一家宾馆。
Once he had done this, he had been able to turn on the supply.
一旦他接上了接头，他就能够打开供气阀。