Seladonit
绿磷石
🗣️ 情景例句
I moonlight as a reporter.
我兼职当记者。
You were late again this morning. I think you had better start being on time.
你早晨又迟到了，我想你最好开始守时。[托福]
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。