访问 –
今日 –
访问 –
今日 –
Learners read the buttons and display of a home air purifier to see the air quality and set the machine.
By the end, you can read the words on an air purifier screen to find the air quality, fan speed and timer, and choose the right button for what you need.
下载功能面向已登录的学习者 —— 注册只需一分钟，而且免费。