今日 CET-4 必背单词(3个)

1. significant - 音标:/sɪɡˈnɪfɪkənt/ - 释义:adj. 重要的;显著的;相当数量的 - 同义词:important, notable, considerable - 例句: - There has been a significant increase in the number of students studying abroad. 出国留学的学生人数有了显著增长。 - The discovery of penicillin was a significant breakthrough in medical history. 青霉素的发现是医学史上的一个重要突破。

2. essential - 音标:/ɪˈsenʃl/ - 释义:adj. 必要的,必不可少的;本质的 - 同义词:necessary, vital, crucial - 例句: - Water is essential for all living things. 水对所有生物都是必不可少的。 - It is essential that you submit your assignment before the deadline. 你必须在截止日期前提交作业,这很重要。

3. potential - 音标:/pəˈtenʃl/ - 释义:adj. 潜在的,可能的;n. 潜力,潜能 - 同义词:possible, promising, capability - 例句: - This new technology has the potential to change our lives. 这项新技术有改变我们生活的潜力。 - We need to identify and avoid potential risks in advance. 我们需要提前识别并避免潜在风险。