Linear system
[计] 线性系统
🧩 词语组成解析
🗣️ 情景例句
to spend a weekend with him at his farm.
去他的农场跟他一起渡个周末。
The years teach much which the days never know.
学问集年而成，而每日不自知也。
By having to sleep in the open, he gets far closer to the world of nature than most of us ever do.
由于被迫在露天睡觉，他比我们中许多人都离大自然近得多。