波动,涨落,起伏( fluctuate的过去式和过去分词 );

这组词都可表示“前后、上下、来回摇摆”。它们的区别是:
swing指一边或一头固定在某处而另一边或另一头成弧形摆动; fluctuate指没有规律地上下起伏、波动; sway指灵活或不稳定的东西缓慢地晃动。
Itsmolecular weight is fluctuated from 1.8×104 to 4.2×104 Dalton.
其分子量分布范围为1.8×104~4.2×104道尔顿.
来源:互联网摘选Share prices fluctuated narrowly in surprisingly this trading volume after the long holiday.
长假过后,股价小辐波动,交易量小的惊人.
来源:互联网摘选Life-cycle process, various types of transferase activity has Change fluctuated.
生命周期过程中, 各式转移酶活性有增减.
来源:互联网摘选Financial markets around the world have plunged and fluctuated wildly in recent months.
最近几个月,世界各地的金融市场急剧下跌,剧烈振荡.
来源:互联网摘选Though the pass rate has always fluctuated, the latest result has brought renewed heart-searching.
尽管及格率经常上下波动, 但最新的结果再次引起了人们的反思.
来源:互联网摘选
简答网 · 英语词汇

简答网 · 英语词汇

简答网 · 高考英语

简答网 · 初中英语作文
简答网 · 双语娱乐资讯

简答网 · 考研英语