Ld converter
[机] LD转炉
🧩 词语组成解析
致死剂量
converter
[kən'vɜ:tə(r)]
n. [自]变换器;换流器，变压器，变频器;[冶]炼钢炉，吹风转炉;使转变[改变信仰]的人;
🗣️ 情景例句
Mrs. Stewart and I
Stewart太太和我
Why are you disappointed?
你为什么灰心？
In September 1888 at the age of 19, he sailed to England and after three years' study became a lawyer.
1888年9月，他19岁时乘船去了英国，并在3年的学习之后成为一名律师。