Hg conversion
[化] 水银法转换
🧩 词语组成解析
abbr. 标准德语（High German）；手摇发电机（Hand Generator）
🗣️ 情景例句
and wrote to his wife Martha.
给他妻子Martha写信。
The houses downtown are very expensive.
市区的房子很贵。
Yes. Let me introduce him to you.
是的，让我把他给你们介绍一下。