Siris
[计]= Scanning InfraRed Inspection System,扫描（式）红外检查系统
🗣️ 情景例句
I've never worn them before.
我从来没有戴过这个。
Know something like the palm of one's hand.
熟知其事，了如指掌。
Most of them were able to climb out in time. However four men were not quick enough to escape the flames.
大部分工人能够及时逃生。可是有4个工人来不及逃离火场。