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
What was your graduation thesis on?
你毕业论文是什么题目？
Fire, water, and money are good servants, but bad masters.
水火金钱是忠仆，使用不当是祸首。
Workers will have completed the new roads by the end of this year.
工人们将在今年年底前把新路铺好；