Bifunctional
a. 具有两种(截然)不同功能的
🗣️ 情景例句
Fall is a great season because of all the wonderful colors.
秋天是个色彩缤纷的好季节。
It's not too heavy,but I don't know the exact weight.
它不是太重的，但是我不知道准确的重量。
Kate! It's late. Why are you in bed?
凯特！晚啦。你怎么还在床上？