blue-blueCOCA²³⁹¹³³ 基本例句 🌏是蓝色；蓝色的天空白云飘；蓝又蓝 If a villain throws a wrench into the machine, the sequence of cogs carried along the conveyor belt could change visibly— say from red-blue-blue to red- green- blue. 如果一个坏人把一个扳手扔到机器上，那么传送带所带的轮齿序列显然可能被改变，比如从红-蓝-蓝变为红-绿-蓝。 yeeyan