switch n. 1.(树上折下的)细树枝;软鞭子;鞭打。 2.假发;(尾巴上的)毛簇。 3.〔美国〕【铁道】道岔扳子,轨闸转辙器;侧线。 4.【电学】开关;电闸;电键;转换器;【电话】接线台。 5.【军事】斜行壕。 6.(思想等的)大转变。 7.〔美国〕(金融机构和销售店的)电脑化联网。 a change-over switch 转换开关,转向开关。 a pull switch 拉线开关。 a three wire switch 双联开关。 a time switch 定时断路器。 a clock switch 定时开关。 a line switch (自动电话的)寻线机,预选器;线路开关。 vt. 1.鞭打;摆动;摇(尾);猛然抢去。 2.挂断(…的电话)(switch sb. off);关闭(电流),关(电灯) (off; out)。 3.通(电流),接通(电话给某人),开(电灯) (on)。 4.改变,转变(思想、谈话等);【铁道】给扳道岔;调配(车厢)。 vi. 1.鞭打。 2.【铁道】扳道岔;调车。 3.挂断电话 (off)。 4.转换,转变。 switch an electric light on [off] 开[关]灯。 switch off to another like of thought 改变想法[思路]。 Let's switch. 〔美国〕走吧;开动吧。 I'll be switched. 〔美口〕〔表示否定、惊讶〕(I'll be switched if you do. 你要是能的话我就把头砍掉)。 switch off [on] 不收听[收听](某一广播)。 switch through 【电信】转接。
We touch a switch to flood a room with light . 我们打开电灯开关使室内灯光明亮。
This is a good time to switch to the classical notation . 此刻是换用经典符号的好时候。
There is increasing switch to drip irrigation in all areas . 所有地区转换成滴灌的趋势正在增加。
Their propaganda was peremptorily switched to an anti-western line . 他们的宣传断然地转而持反对西方的路线。
It switched to the allies when japan's defeat became inevitable . 当日本的失败已成定局时它又转到盟国这边来。
I have just switched to the profession of a teacher and quite lack experience in teaching work . 我刚半路出家来当教师,还没有什么教学经验。
And the excitation voltage and output were also fed through the selector switch to the digital voltmeter . 其激励电压和输出也通过选择开关接到数字电压表上。
They'll be switching to columbus after a station break and a brief sum-up by the network panel . 在电视台间歇和电视评论组作出小结之后他们将转播哥伦布州的实况。
Serious programs remind the audience that complex human problems are not solved by switching to a new deodorant . 严肃的节目提醒观众,复杂的人生问题不会象按动一下新的除臭装置那样,便可轻易解决的。
He switched to transmit and repeated the simple message, "come in, please," several times; then left the set on receive . 他把旋扭拨到发报的地方,一连几次拍发“请联络”这样简单的信号;然后再拨到收报处等回音。