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
Thank you for your understanding and cooperation in this matter.
谢谢你们对此事的理解和合作。
It's such a nice change.
真实令人高兴的转变。
Dickie left the shop without a word and returned carrying a large cloth bag.
迪基二话没说就走了。一会儿，他带着一个大布口袋回到店里。