n. 信号;暗号
1. (2015 湖北卷)In order not to be heard, she pointed her finger upwards to signal that someone was moving about upstairs. 为了不被听到,她手指向上以示意有人正在上楼。 2. (2015湖南卷)At Pullman’s signal each man turned his jackscrew the same amount at the same time, thereby raising the building slowly and evenly.
随着普尔曼的信号,每个人同时将螺旋千斤顶调到相同的量,这样就慢而平稳地将楼房抬升起来。 3. In our class,when the bell rang and the teacher closed his book,it was a signal for everyone to stand up.
在我们班上,当铃声响起,老师合上他的书时,那是每个人要起立的信号。 a danger/warning signal
危险/警告信号 traffic signals
交通信号灯 signal (sb. )that…
示意(某人)…… signal (to) sb. to do sth.
示意某人做某事 【辨析】symbol,signal,sign,mark symbol指符号、象征、标志等, 常表示某种有深邃寓意的事物;signal指为某一目的而有意识地发出的信号;sign表示“记号,符号”时,同symbol,表示“告示, 标志”时,侧重指用图形、文字等所表达的内容,另外还可指“征兆, 迹象”;mark为普通用词,含义广泛,既可指为便于辨认而有意识地做的标记,又可指自然形成的标志或有别于其他事物的特征,也可用于指“分数, 成绩”。 1. Jealousy is just a ________ that shows how much you really like, care, or love someone. 2. A red flag is often used as a danger ________. 3. I frequently use sunflowers as ________ of strength. 4. The dogs are always rubbing against the wall and making dirty ________. Key:1. sign 2. signal 3. symbols 4. marks 4. arise
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