Ghosting
n. 重影；拖毛；鬼影
🗣️ 情景例句
She is giving me piano lessons in exchange for her English classes.
我教她英语，她教我弹钢琴。
I'm going to show him how to sing a song.
我正要指点他如何唱歌。
I'm very sorry, but I can't come.
但很抱歉，我不能来。