Approved apparatus
[化] 防爆设备
🧩 词语组成解析
a. 被认可的；经过检验的
🗣️ 情景例句
Come on. Let's get some sleep.
走吧 ，让我们去睡觉吧。
How many languages do you speak?
你说多少种语言？
I've got a problem and as I don't know what to do I thought I'd write to you and ask for your advice.
我有一个问题，因为我不知道该怎么办。我想我最好写信给你，征求你的意见。