ster 用英语:

When they were hungry they would bite at an oar or the rudder of a boat.

He used rudders to turn the old machine 180 degrees.

A small boat is steered by means of a tiller fitted to the head of the rudder.

Bad people are at the helm of the nation.

to take the helm

She gripped the steering wheel tightly.

She kept both hands on the steering wheel.

You have to keep two hands on the steering wheel at all times

If you were in a bus sitting next to the driver and he suddenly slumped forward over the steering wheel, because of a sudden heart attack, and the bus went out of control, what would you do to bring it back under control?

Turn the steering wheel gently to go round the corner.

Why are steering wheels always round?