Pre-embryonic
[医] 胚前期的
🧩 词语组成解析
abbr. 炼油工程师（Petroleum Refining Engineer）
🗣️ 情景例句
They rescheduled the product launch.
他们重定产品投放市场的时间表。
Don't underestimate me.
别小看我。
He is very happy to see his wife.
丈夫见到他妻子，很高兴。