Sin qua non
[法] 绝对必需, 必要条件, 不可缺
🧩 词语组成解析
sin
[sin]
n. 违背宗教[道德原则]的恶行;罪恶，罪孽;过错，罪过;愚蠢的事，可耻的事;
vi. 犯罪，犯过错;
vt. 犯罪;
prep. 作为
non
[[nɔn]]
adv. 非, 不
🗣️ 情景例句
I would like to lodge a complaint.
我有些怨言。
Well, it's too bad that you have to go.
哦，真遗憾，你一定要走。
One moring she was working at her desk in the library when a boy came in.
一天早上，她正在图书馆里伏案工作，这时，一个男孩走进来。