Trial and error
大学 College反复试验
🧩 词语组成解析
and
[ənd, ən,ænd]
conj. 和，与;而且;于是，然后;因此;
🗣️ 情景例句
Nothing will stay down when I eat.
我吃下去的东西全吐出来了。
She is majoring in modern languages.
她主修现代语言学。
She was thinking that she must reprimand her home help the next morning for such a monstrous piece of negligence,
她心想明天上午一定要好好训斥那个干家务的帮手，她竟如此疏忽大意。