Siris
[计]= Scanning InfraRed Inspection System,扫描（式）红外检查系统
🗣️ 情景例句
I can't wait.
我迫不及待。
Which one is heavier?
哪一个是较重的？
I like writing to my penfriend, but it takes a lot of time.
我喜欢给笔友写信，但那很花时间。