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
to pick up the dog.
把狗领回去了。
Soft fire makes sweet malt.
慢工出细活。
I often visited The Gables when I was boy.
我小时候常去“山墙庄园”作客。