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
But you had to be good at math.
但是你数学一定很好。
I was 10 minutes late.
我迟到了五分钟。
We are thinking of expanding into the Chinese market.
我们想把生意扩大到中国市场。