Dyadic indication
[计] 双向指示
🧩 词语组成解析
[计] 二元的, 二进制的
🗣️ 情景例句
Are you ready for this?
想听着。
She's always helping people.
她总是帮助别人。[现在进行时]
Man-made satellites have been sent up into space by many countries.
许多国家都成功地把人造卫星送入了太空。