“respirator”概念、定义、翻译-科学时代

单词	respirator
释义	交通运输工程词汇手册 respirator 口罩；防尘面罩
随便看	pine seed pine tar pinetum pinetum pine wood pine wood nematode piney woods pine电子邮件程序 pin-feather pin feed pin firing pin for rolling the wrappers PING ping ping flood pinging sonar Pingju Opera pingo Ping of Death ping of death ping packet ping (packet Internet gopher) ping (Packet Internet Groper) PING (Packet Internet Groper) ping--ping (packet Internet gopher)

科学时代收录了1160609条科普词条，基本涵盖了常见科普常识及英语词汇的翻译，是科学学习和研究的有利工具。