Istas
abbr. integrated surveillance and target acquisition system 综合监视与目标搜索系统
🗣️ 情景例句
Yes, sir.
是的 ，先生。
The healthful man can give counsel to the sick.
健康的人可以对生病的人提出忠告。
a moment later, he ran after me and thrust the pen into my hands.
一会儿，他突然从后追了上来，把笔塞到我手里。