L.f.d.
[医] 最低致死量(毒素)
🗣️ 情景例句
No ... thank you.
不……谢谢你。
Perseverance is failing nineteen times and succeeding the twentieth.
十九次失败，到第二十次获得成功，这就叫坚持。
I'm sorry, Mathilde. Have times been hard for you?
玛蒂尔德，我真替你难过。这些年来境况不太好吧？