[] 转, 调, 调头



switching
[ noun ]
the act of changing one thing or position for another
<noun.act>
his switch on abortion cost him the election



Switch \Switch\, v. t. [imp. & p. p. {Switched}; p. pr. & vb. n.
{Switching}.]
1. To strike with a switch or small flexible rod; to whip.
--Chapman.

2. To swing or whisk; as, to switch a cane.

3. To trim, as, a hedge. [Prov. Eng.] --Halliwell.

4. To turn from one railway track to another; to transfer by
a switch; -- generally with off, from, etc.; as, to switch
off a train; to switch a car from one track to another.

5. (Eccl.) To shift to another circuit.


Switching \Switch"ing\,
a. & n. from {Switch}, v.

{Switching engine}, a locomotive for switching cars from one
track to another, and making up trains; -- called also
{switch engine}. [U.S.]