Abac
<英>(=nomogram)[数]算图,诺模图
🗣️ 情景例句
There's another advanced class today at four o'clock.
今天下午四点钟还有一次高级班。
The poor man wants much,the miser everything.
穷人要求多，财迷则样样都要。
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。