He played a lightweight role in the movie.

他在这部电影中扮演了一个无足轻重的角色。

The jacket is lightweight and easy to use for the mountain climbers.

这件夹克很轻便，便于登山者穿用。

She is the first Chinese female lightweight wining the boxing championship.

她是中国第一个获得拳季赛冠军的轻量级女运动员。

I need a lightweight jacket for the summer evenings.

夏天的夜晚我需要一件轻薄的夹克

Do you have any lightweight cardboard I can use for a school project?

你有什么轻的硬板纸吗？我学校功课要用。

The bicycle is made from lightweight plastics, so it’s not very heavy.

这辆自行车使用轻量塑料制作，所以重量并不重。

There are new techniques in computational chemistry that allow scientists to develop incredibly strong and lightweight compounds.

计算化学领域的新技术能让科学家开发出非常坚固但轻的化合物。

The chair is made of lightweight nylon.

那把椅子是由轻质尼龙制作的。

Brian considered Sam a lightweight, a real amateur.

布赖恩认为萨姆是个无足轻重的人，是个真正的业余选手。

Some of the discussion in the book is lightweight and unconvincing.

书中的一些讨论无足轻重而且缺乏说服力。

By the age of sixteen he was the junior lightweight champion of Poland.

16岁时他已是波兰少年轻量级冠军。

This lightweight zoom camera will fit comfortably into a fanny pack or coat pocket.

这部轻型变焦相机可以很轻易地放入腰包或外套口袋里。