Thee blue tape on the bulwark is to protect it from scratching during the trimming process.
蓝磁带上的堡垒，是为了保护它，从刮在修剪过程中。
Half of the soldiers stretched the tape and cut it as they pretended to cut the tape while the others emptied the beakers, filled it again with water and coloured it blue.
其中一半的士兵扯出了录像带，假装在剪辑；而其他人则清空烧杯，往里倒被染成蓝色的水。
After finding them in the classroom or outdoors, children can outline the triangles with colored tape. For example, they might make right triangles red and scalene triangles blue.
在教室和户外发现这些图形之后，儿童可以用彩色胶带勾勒出这些三角形，例如，他们可以用红色胶带做直角三角形，用蓝色胶带做不等边三角形。
After finding them in the classroom or outdoors, children can outline the triangles with colored tape. For example, they might make right triangles red and scalene triangles blue.
在教室和户外发现这些图形之后，儿童可以用彩色胶带勾勒出这些三角形，例如，他们可以用红色胶带做直角三角形，用蓝色胶带做不等边三角形。
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