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
you have so much energy and so many years of experience.
你精力这么好 ，又有这么多年的经验。
This country is localed in the northern hemisphere.
这个国家位于北半球。
He wants to ride the machine like a bike and fly it like a plane.
他想让机器可以像自行车那样骑，可以像飞机那样飞。