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。