Unicom
abbr. underwater integration communication 水下综合通讯; universal communication 通用通讯
🗣️ 情景例句
Yes, indeed.
是的 ，原来如此。
It's very nice of you to come and see me off.
您来给我送行，真是太客气了。
the necessary method of study is to group the relevant material and to take note of all possible variant forms and conditions.
应采取的研究方法是，把有关各方面的材料汇集起来，同时注意任何可能出现的异常情况和条件。