请输入您要查询的英文单词:
单词
ambient air standard
释义
WordReference Random House Unabridged Dictionary of American English © 2024
am
′
bient air
′
stand′ard,
Ecology, Physics
the highest concentration of a specific air pollutant at a particular outdoor location, in a specified unit of time, that is not considered hazardous to humans:
The ambient air standard for gas X is 3 parts per million per hour.
1970–75
随便看
oceanaut
ocean city
ocean engineering
ocean farming
oceanfront
ocean-going
oceangoing
oceania
oceanian
oceanic
oceanicity
oceanic whitetip shark
oceanid
oceanides
oceanids
oceanlike
ocean liner
ocean marine insurance
oceanog.
oceanog
oceanographer
oceanographic
oceanographically
oceanography
oceanologic
英语词典包含188688条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。
Copyright © 2004-2022 Newdu.com All Rights Reserved
更新时间:2026/3/23 1:01:25