Blastular
[医] 囊胚的
🗣️ 情景例句
And the Kennedy Center for the Performing Arts in Washington.
还有位于华盛顿的甘迪表演艺术中心。
She is supposed to be one of the best singers.
大家认为她是最有名气的歌星。
Once we get down to the oil, it usually flows to the surface because great pressure,
一旦到达油层，石油就会由于地下巨大的压力流到地面上来，