成语

weightless的意思_音标_例句

weightless

音标:英 /ˈweɪtləs/,美 /ˈweɪtləs/

一、核心释义

形容词,表示“无重量的”或“失重的”。指物体缺乏实际重量,或因脱离重力影响而呈现漂浮状态。

具体用法:

物理状态:描述不受重力作用的现象,如太空中的物体或自由落体状态。

例:宇航员在失重环境中工作(Astronauts work in weightless conditions.)

例:电梯下降时,我们会感到短暂失重(We feel weightless when the elevator descends.)

材质特性:形容物体极轻,几乎没有重量感。

例:这种超轻聚酯面料制成的夹克穿起来毫无负担(Jackets made of a weightless polyester fabric.)

例:丝质窗帘轻柔得仿佛漂浮在空中(... weightless silk curtains.)

抽象比喻:用于比喻抽象事物“无负担的”或“轻松的”。

例:知识是无重量的宝藏,能随时轻松携带(Knowledge is weightless, a treasure you can always carry easily.)

二、短语搭配

weightless environment 失重环境
(例:科学家研究细菌在失重环境中的繁殖速度,发现其毒性增强[Scientists show how Salmonella food bacteria in space become more virulent in their weightless surroundings.])

weightless state 失重状态
(例:一项实验测试鸡蛋在失重状态下能否存活(One experiment will test if chicken eggs can survive in a weightless environment.)

weightless fabric 超轻面料
(例:全新科技打造的微粉末粉底,几乎无重量且完美贴合肌肤[New fresh ground technology delivers a microlight powder, virtually weightless, that blends perfectly on the skin.])

三、典型例句

光子没有质量——它们是无重量的(Photons have no mass—they are weightless.)

海伦描述了她在太空期间失重状态下的生活(Helen described life in a weightless environment during her period in space.)

在失重条件下,热饮很危险,因为液体会漂浮并可能烫伤宇航员(Hot drinks are quite dangerous in weightless conditions.)

这种生物在水中几乎无重量,能轻松漂浮(These creatures may have been virtually weightless in water.)

失重状态下,细菌的繁殖速度会加快(

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