L.f.d.
[医] 最低致死量(毒素)
🗣️ 情景例句
Well, that would be OK
那倒没有什么关系
That woman is very creative; she weaves her own cloth.
那位女士非常有创作欲，她自己织布。
The contents were disappointing.
箱内东西令人失望。