Siem
abbr. security information and event management,安全信息和事件管理; [医][=scanning immuno-electron microscopy]扫描免疫电子显微镜检查
🗣️ 情景例句
First, we have to catch some fish.
首先 ，我们得钓几条鱼。
This stain is really stubborn.
这污垢去不掉。
I caught the last bus.
我赶上了最后一班车。