Ld-50
[医] 半数致死量
🧩 词语组成解析
致死剂量
fifty
🗣️ 情景例句
How is he, Philip?
他怎样了 ，Philip？
Take a bad spill!
跌个狗吃屎！
A great many goods were sent to the exhibition from various parts of the world.
大量的商品从世界各地运送到了博览会，