Sedis
abbr. surface emitter detection identification system 地[海]面发射机探测识别系统
🗣️ 情景例句
Can I see it?
我可以看吗？
What flights do you have from New York to London tomorrow?
明天从纽约飞往伦敦的有哪几班机？
These are partly a matter of personal circumstances, partly a matter of psychology.
这里一方面是个人所处的环境，另一方面是个心理学的问题。