Dtf
资料传输因数（data transmission factor）
🗣️ 情景例句
but there's so much energy and talent in the man,
但是他有那么多的精力和才能，
I want to reserve a room.
我想预订一个房间。
Draw your chair up to the table.
把你的椅子拉到桌子旁边来。