Bothropotoxin
[医] 具窍蝮蛇[神经]毒素
🗣️ 情景例句
Give me a discount.
给我打个折吧。
I'm reading the newspaper downstairs.
我在楼下看报纸。
A short while ago, my sister helped me to carry one of my old bookcases up the stairs.
几分钟前，我妹妹帮我把一个旧书橱抬上了楼。