🧩 词语组成解析
🗣️ 情景例句
These files are highly confidential, please store them properly.
这些文件是高度机密的，请妥善保存。
What can it be?
它是什么呢？
He investigates complaints large and small that come to him from all levels of society.
他听取社会各阶层的各种大小意见，并进行调查。