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
Please go over it and see if everything is in order.
请再过目一下，看看是否都符合规定。
That man is a teacher,isn't he?
那个人是位教员，对不对？
They are working hard on the farm. The children are picking apples.
他们正在农场卖力地干活。孩子们在摘苹果。