L.f.d.
[医] 最低致死量(毒素)
🗣️ 情景例句
and this is an important decision we have to make.
这又是我们必须做的一个重大决定。
I think you're mistaken about that.
我认为你关于那是错的。
The main exports of the country are wool, lamb, beef, butter, forest products, fruit and vegetables.
这个国家的主要出口产品有羊毛、羔羊、牛肉、黄油、林木制品、水果与蔬菜。