Dtf
资料传输因数（data transmission factor）
🗣️ 情景例句
Well, she'll be here later.
来 她会晚一点。
My intentions were good.
我是好意。
When my husband was going into the dining room this morning, he dropped some coins on the floor.
今天早晨我丈夫走进饭厅时，把一些硬币掉在地上了。