keen 是什么意思

Waiters, keen observers of humanity that they are, are catching on to this; in one poll, a full 30% said they didn't believe the job they did had any impact on the tips they received.

出自-2016年12月阅读原文

His keen interest in designing elegant and user-friendly gadgets.

出自-2012年12月阅读原文

it had keen moved to the next block.

出自-2012年6月听力原文

Middle school is a crucial period when students may become keenly interested in advanced mathematics.

出自-2017年6月阅读原文

I suspect that some experts in the field will be keen to address alternative explanations, such as unassessed variables playing a role in the well-being decline.

2019年12月六级真题（第一套）阅读 Section B

Now some experts are proposing that we should take advantage of the teen brain's keen sensitivity to the presence of friends and leverage it to improve education.

2018年6月六级真题(第二套)阅读 Section B

A software engineer by profession, Steve was a keen lover of the piano, and the only musician in his family.

2019年高考英语江苏卷 阅读理解 阅读D 原文

After reading some history books on how the first group of Chinese immigrants survived in America of the 19th century, she has become keen on her own family history and that of others.

2015年高考英语广东卷 阅读理解 信息匹配 题设

I carefully extended a long carrot, with a keen eye on those teeth, and before long, there were times I would have the groundhog sitting next to a rabbit, both munching on carrots.

2015年高考英语四川卷 完形填空 原文

They are keen to see rare birds at the destination.

2018年高考英语天津卷 阅读理解 阅读D 选项