Heaviside
海维赛德(①姓氏 ②Oliver, 1850-1925, 英国物理学家、电气工程学家)
🗣️ 情景例句
When is check-out time?
什么时候必须结帐和离开宾馆？
I ought to go right away.
我应该立刻去。
She really wishes her clock had rung.
她真希望今天早上她的闹钟响了。