Upper and lower intervention limits
[经] 干预的上下限
🧩 词语组成解析
upper
['ʌpə]
adj. 地位较高的;上面的;内地的;地表层的;
n. 鞋帮，靴面;兴奋剂;令人兴奋的经历;
and
[ənd, ən,ænd]
conj. 和，与;而且;于是，然后;因此;
lower
['ləuə]
adj. 下方的;在底部的;较低级的;
v. 降低;减少;缩小;
intervention
[ˌintə(:)'venʃən]
n. 介入，干涉，干预;调解，排解;
n. 范围；领土；极限（limit的复数）
🗣️ 情景例句
They have nice things, but they've very expensive.
它们的东西不错，但很贵。
It's a shame this restaurant is so expensive.
太遗憾了，这家餐馆太贵了。
Alf did this for over two years and his fellow dustmen kept his secret Alf's wife has never discovered that she married a dustman and she never will, for Alf has just found another job.
两年多以来，艾尔弗一直这样，他的同事也为他保守秘密。 艾尔弗的妻子一直不知道她嫁给了一个清洁工，而且她永远也不会知道了，因为艾尔弗已找到薪职，