Annual magnetic variations
[电] 岁磁变
🧩 词语组成解析
n. 变奏曲, 变更；变种（variation的复数形式）
🗣️ 情景例句
What do you do when you are not working?
工作之余你有什么消遣活动？
To send mail(a letter)
邮寄邮件
It looks a bit like a deer. There's its head and there are its feet.
它看起来有点像鹿，那是鹿头，那是鹿脚。