Xcr
abbr. Crystal Controlled Receiver 晶体控制接收机
🗣️ 情景例句
It was not until yesterday that I noticed it.
我一直到昨天才注意到它。
What do you know?
你懂什么？
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。