Isozin
吡啶甲酸酰肼
🗣️ 情景例句
Shopping vouchers are ofter a good means of attracting customers.
购物优惠券是吸引顾客的好方式。
He dances well to whom fortune pipes.
鸿运来时，百事顺遂。
and we know something of the great variety of the sea bed's topography.
而且我们对海底地形的千变万化也有了一定的了解。