5.by+交通工具:表示“乘„„”。
如:
by bike= on the bike
by train= on the train,
by boat= on the boat
by plane / air = on the plane,
by ship/sea= on the ship
by car = in the car,
by bus =in the bus等。
但:步行则用on foot来表达。
6.on one’s way„表示“在去„„的途中”。
如:
He found a dog walking in the street on his way home.
on one’s way to school 在某人上学的途中
on one’s way back 在某人返回的途中
7.on duty表示“值日”。
如:
Who’s on duty today?
今天谁值日?
I am on duty.
我值日。