4.What's going to hold this ribbon up and keep it reach enough to support an elevator car?
要用什么来让这条带保持向上,并让它足够支撑一个电梯轿厢呢?
5.A bluish ribbon of light stretching from left to right across the picture might be a knot of gas ejected by the supernova.
一个从左延伸至右穿过整幅图片的浅蓝色光可能是由超新星喷发出的气体的集结体。
6.Every time I use it, the ribbon falls out.
每次已用,色带就掉下来。
7.He bore no badge of mourning but a knot of purple ribbon on his shoulder.
他肩上系着一根紫色的丝带,身上没有其它孝服的标志。
8.Inspection technology allows more than 100 million measurements a second to be made across the ribbon, locating flaws the unaided eye would be unable to see.