Portable recorder
[电] 手提式记录器
🧩 词语组成解析
🗣️ 情景例句
John is tied up at the present time.
John现在有事。
I'd like to know how you reached your conclusions.
我想知道你们是如何得出结论的。
It seems that man was making a real effort to understand the seasons 20,000 years earlier than has been supposed.
看来人类早就致力于探索四季变迁了，比人们想像的要早20，000年。