D-c component
[电] 直流部份
🧩 词语组成解析
🗣️ 情景例句
Language is her strength, math is her weakness.
语言是她的强项，数学则是她的弱门。
You were here in February,weren't you?
二月份你曾在这里，对不对？
My old friend, Harrison, had lived in the Mediterranean for many years before he returned to England.
我的老朋友哈里森在回到英国以前曾多年居住在地中海地区。