Embryonic knob
[医] 胚结
🧩 词语组成解析
knob
[nɑb]
n. 球形把手;（收音机等的）旋钮;小块;疙瘩;
v. 鼓起;使有球形突出物;给（门等）装球形把手;
🗣️ 情景例句
Room service. May I help you?
客房服务部，需要我为您效劳吗？
Kind words are worth much and cost little.
口头方便不费力。
so it was easier for the detective to watch her.
因此，侦探比较容易监视她。