1. Mars, this week, edges slowly closer towards a right-angle with Jupiter. 火星本周缓缓移近与木星成直角的位置。
2. Using just thumbs and fingers, bend it in the middle to form a right-angle. 只用拇指和手指，从中间把它弯曲成直角。
3. Then, at the same place, bend it back to form a right-angle in the opposite direction. 然后，在同一个地方，把它弯回去形成反方向的直角。
4. It begins the week near Mars, then rushes on to form the right-angle first, as if to let Jupiter know what to expect. 本周伊始，它在火星近旁，然后继续向前冲，率先构成直角，仿佛是为了让木星知道该期待些什么。
5. Dry segmented cup grinders, used on right-angle grinders, they grind all types of concrete, masonry, brick, block and stone. 干分段杯研磨机，在直角磨机使用，但磨水泥，砖，块石和所有类型。
