Conversion efficiency
[电] 变换因数
🧩 词语组成解析
🗣️ 情景例句
My great-grandmother made that quilt
我曾祖母缝好了这个被罩。
Whatever.
无论做什么。
At the age of twelve years, the human body is at its most vigorous.
人体在12岁时是生命力最旺盛的时期。