Radner
[人名] 拉德纳
🗣️ 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。
A new bicycle is out of the question - we can't afford it.
买新自行车的事谈不上 —— 我们买不起。
below 20 per cent, its bactericidal action is negligible.
浓度低于20％时，杀菌能力基本上就不存在了。