Mercerisation
丝光作用
🗣️ 情景例句
You had better study hard.
你最好努力学习。
He often fails to keep his word.
他常常不遵守诺言。
He is also, incidentally, an unforgivable bore.
顺便说一句，他也是个不可饶恕的令人厌烦的人。