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
and work begins at eight in the morning for me.
早晨八点我就得开始工作。
Henry got a toothache and asked to be excused.
亨利牙疼，请求离开一下。
You always know the right thing to say.
你说话得体。