vol是什麼意思

Can you turn the volume up a bit?

你能把音量開大點兒嗎？

This work has grown in volume recently.

這項工作的量最近增加了。

New roads are being built to cope with the increased volume of traffic.

正在修建新的`道路以應付增加了的交通量。

The number of accidents is proportionate to the increased volume of traffic.

交通事故的數字與交通量的增長成正比。