harmful particles翻译

harmful particles的基本解释

读音: 美: 英:

有害颗粒物:指空气中的微小颗粒物,如PM2.5等,对人体健康有害。

例句

The outer layers of space suit protect against harmful radiation from the Sun and bullet-fast particles of space dust called micrometeoroids.宇航服的外层能够防御太阳辐射和高速微流星体造成的伤害。微流星体是指太空中的微小尘粒。
L the outer layers of space suit protect against harmful radiation from the Sun and bullet-fast particles of space dust called micrometeoroids.宇航服的外层能够防御太阳辐射和高速微流星体造成的伤害。微流星体是指太空中的微小尘粒。
In just one hour, plaque bacteria will start converting sugar and starch particles into harmful acids that attack the tooth enamel.短短一小时,已足够让牙垢膜细菌把糖份及淀粉质转化为有害的酸性物质,侵蚀珐琅质。
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