Introduction可数吗

提示：

Introduction可数吗

introduction的复数形式为introductions，introduction为可数名词。例句：She was punctilious in the matter of introductions.她在介绍别人时总是举止得体。 Introduction用法例句 1.The camera has undergone only two minor tweaks since its introduction. 这款相机自推出以来仅进行过两次小的改进。 2.Millions of words have been written about the introduction of the euro. 有关采用欧元的文章数不胜数。 3.I tutored a two-day Introduction to Chairmaking course at the college. 我在那个学院教过为期两天的椅子制作入门课。 4.A prolonged drought had necessitated the introduction of water rationing. 由于持续干旱，有必要对用水实行配给了。 5.the introduction of student loans 学生贷款的推行 不可数的抽象名词 freedom自由 laughter笑 wealth财富 poverty贫困 responsibility责任

introduction可数吗

提示：

introduction可数吗

introduction的复数形式为introductions，introduction为可数名词，意思是介绍、引进。例句：She was punctilious in the matter of introductions.她在介绍别人时总是举止得体。 扩展资料 　　例句： 　　By way of introduction , let me give you the background to the story. 　　作为引言，我先来介绍一下故事的.背景。 　　The camera has undergone only two minor tweaks since its introduction. 　　这款相机自推出以来只经过两次小的改进。 　　Millions of words have been written about the introduction of the euro. 　　已有上百万的文字论及欧元的引入。 　　Introduction of electronic point-of-sale systems is improving efficiency. 　　电子售货系统的引进提高了工作效率。 　　A prolonged drought had necessitated the introduction of water rationing. 　　一场持续的干旱使定量供水的引进成为必需。

交集 的英文怎么说

提示：

交集 的英文怎么说

交集
be mixed
intersect
occur simultaneously

百感交集
crowd in on
to crowd upon one’s mind
all kinds of feelings well up in one's heart

悲喜交集
mixed feelings of grief and joy
intermingling of sorrow and joy
joy mingled with pain

悲愤交集
sadness and anger coming together

这些思绪交集在我的心头。
These thoughts thronged on my mind.

她惊喜交集, 一句话也说不出来。
Between astonishment and joy, she could hardly say a word.

他一听到那个消息，内心立刻充满了惊喜交集的感觉。
On hearing the news, he was filled with feelings partaking of joy and surprise.