Koln
n. 科隆（德国地名）
🗣️ 情景例句
Too bad kids can't vote.
可惜小孩不能投票。
You must be hungry. Shall we get something to eat?
你一定饿了，我们吃点东西好吗？
Then knowledge began to be accumulated according to a systematic plan.
于是，知识便开始有系统有计划地积累起来。