Lenard tube
[电] Lenard管
🧩 词语组成解析
雷纳德(①姓氏 ②Philipp, 1862-1947, 德国物理学家, 曾获 1905年诺贝尔物理 学奖)
🗣️ 情景例句
I understand
听说，
Any kind of backing out of the contract will be charged a penalty as has been stated in the penalty clause.
任何背弃合同的行为将受到惩罚，这已在处罚条款里写得很清楚了。
She does, doesn't she! I read she's twenty-nine,- but she must be at least forty.
是的，谁说不是呢！我从报上看到她是29岁，但她一定至少有40岁了。