Sine qua non
n. 必要条件, 要素
📖 牛津释义
sine qua non
(fml 文) essential condition; thing that is absolutely necessary 必要条件; 必不可少的事物
Patience is a sine qua non for a good teacher. 做个优秀教师必不可少的条件是要有耐心.
🧩 词语组成解析
sine
[sain, 'saini, 'sinei]
prep. 无;
n. 正弦;
prep. 作为
non
[[nɔn]]
adv. 非, 不
🗣️ 情景例句
Right, fifth word.
对， 第五个字。
This is my fourth year of college, I'm a senior.
这是我上大学的第四年，我是四年级学生。
Do we have to wear the helmets?
我们得戴上防护帽吗？