Binariants
双变式
🗣️ 情景例句
I have learned to use computers and have become familiar with all clerical duties.
我学会使用电脑及熟悉所有文员的工作。
Necessity is the mother of invention.
穷则变，变则通。
Lake Baikal is the deepest of all the lakes in the world.
贝加儿湖是世界上最深的湖泊。