Pre-embryo
n. （胎儿的）胚前期
🧩 词语组成解析
abbr. 炼油工程师（Petroleum Refining Engineer）
🗣️ 情景例句
If you say so.
既然你这么说。
She seems to have no principles at all when it is a question of making money.
一碰到挣钱的事，她就好像完全不顾自己的人格了。
We need to find one about 30 centimetres(cm) by 30 cm by 50 cm.
我们需要找一只尺寸大约为30（厘米）X 30（厘米）X 50（厘米）的水箱。