Ld
致死剂量
🗣️ 情景例句
I'll believe it when I see it.
我觉得还是眼见为实。
A strong grip was necessary to hold onto the large dog.
若要牵住大狗，必须用力握住皮带。
And you lent me some money too, which I never repaid you.
你还借给我一些钱，这笔钱我还没有还你呢。