Ectental line
[医] 外内胚层间线
🧩 词语组成解析
[医] 外[及]内胚层的
line
[laɪn]
n. 线条;排;行列;界线;
vt. 排队;用线标出;沿…排列成行;给…安衬里;
vi. 形成一层;排队;击出平直球;
🗣️ 情景例句
Grandpa, when did Dad graduate from Michigan?
爷爷，爸爸是什么时候从Michigan毕业的？
He can't come and he sends his apologies.
他为他的不能前来致歉。
First it made a circle to the right, then to the left.
令他吃惊的是，蜜蜂开始在蜂窝的表面表演一种舞蹈。