departure的動詞形式是depart
departure是名詞。既是可數又是不可數名詞。
例如:He says his departure is nothing to do with the resignation calls.他說他的離開與辭職要求無關。
The airline has more than 90 scheduled departures from here every day.該航空公司每天都有90多架航班從這裏起飛。
動詞depart詞義爲離開，離去，背離，違反等。
詞義爲離開，離去時，可以跟from，for。請注意意思有所不同。from是離開某地， for是前往某地
例如:
The train will depart from Shanghai.火車將離開上海。
He departed for the city this evening.他今天傍晚前往這座城。
