英音

美音

n. 算盘( abacus的名词复数 );<建>(圆柱)顶板
abacuses 用法和例句
- People don 't use abacuses very much now .
- 现在人们已经不怎么使用算盘了。
- Abacuses were invented by the chinese .
- 算盘是由中国人发明的。
- Abacuses are so fast and accurate that people still use them today .
- 算盘如此快和准确以致于现在人们仍在使用它。