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
You look very young. How old are you?
你看起来真年轻， 你多大了？
Take a bad spill!
跌个狗吃屎！
A few minutes later, I was able to hurry away with precious chalk marks on my baggage.
几分钟后，我终于被放行，手提划着宝贵的粉笔记号的行李，匆匆离去。