Streptobiosamine
链霉(菌)二糖胺
🗣️ 情景例句
Sorry, I couldn't help overhearing, did you mention something about...
对不起，我无意中听到你们的谈话，你们是不是提到...
A policeman pricks up his ears.
一个警察竖起耳朵在认真地听着。
I don't think so, he says.
“我想不可以。”他说。