Backpitch
反螺旋; 背節距
??? 情景例句
Mmm-hmm. Thanks.
嗯。謝謝。
Like draws to like.
物以類聚。
It was beginning to get dark. I think we'd best stay the night here, I said.
天開始變黑?！拔铱次覀冏詈迷谶@里過夜，”我說，