Ld-50
[醫(yī)] 半數致死量
?? 詞語組成解析
致死劑量
fifty
??? 情景例句
Show some courtesy or I shall cease dealing with your company.
請客氣些，否則我將停止與你們公司打交道。
The cat followed her everywhere she went.
無論她到哪，那只貓都跟著她。
acquired this man-made disease as a pestilence.
而歐洲自己卻染上了這種人為的瘟疫般的疾病。