Fd50
[医] 半数致死量
🗣️ 情景例句
I feel that no other car comes close as far as luxury and reliability are concerned.
我觉得就豪华和可靠性而言，没有其它汽车能与其媲美。
This world belongs to the energetic.
世界属于精力旺盛的人。
Yes, he is.He's climbing the tree.
是的，他也在花园里。他正在爬树。