The two teachers give the children multiple cues when it's time to clean up: Lights flash, a bell rings and the children clap and count to 100.
两位老师在扫除时给孩子们许多提示：闪光、响铃、孩子们鼓着掌数到100。
The two teachers give the children multiple cues when it's time to clean up: Lights flash, a bell rings and the children clap and count to 100.
到打扫的时间的时候，两位老师会给孩子们多个提示：闪灯、铃声、孩子们鼓掌并数到100。
Under UV light, tar from the Gulf of Mexico oil spill lights up orange-yellow on the beaches of Gulf Islands National Seashore (picture) while clean sand glows purple in a long-exposure picture.
长曝光拍摄的图片中，大片的油污在紫外线下发出橙黄色的光，干净的沙子为紫色。这是海湾岛国家海滨沙滩上的情景。
应用推荐