n. the process of taking food into the body through the mouth (as by eating)
n. an opening through which fluid is admitted to a tube or container
n. the act of inhaling; the drawing in of air (or other gases) as in breathing
n. 吸入( intake的复数形式 ); （液体等）进入口; （一定时期内）进入或纳入的人数; （采煤）进风巷道