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- The angles of a triangle total 180. 三角形的三角之和等于180°。
- The 3 altitudes of a triangle are concurrent. 三角形的三个高共点。
- The side of a triangle subtends the opposite angle. 三角形的边对着对角
- The apex of a triangle;the apex of a hill. 三角形的顶点；山顶
- excenter of a triangle 三角形外心
- The point of intersection of the three altitudes of a triangle. 垂心三角形的三边垂线的交点
- I was taught that two sides of a triangle were greater than the third. 我被教会三角形两个边的和大于第三个边。
- A line that joins a vertex of a triangle to the midpoint of the opposite side. 中线从三角形顶点到对边中点的直线
- The cake we made was somewhat of a failure. 我们做的蛋糕不大成功。
- Altitudes can be used to calculate the area of a triangle. 高能够用来计算三角形的面积。
- The sum of any two sides of a triangle is greater than the third side. 任何三角形的两边之和必大于第三边。
- Will you partake of a drink with us? 和我们一同喝一杯好吗？
- Who knows how to calculate the area of a triangle, please raise your hand. 谁知道如何计算三角形的面积，请举手。
- He doubles the parts of a farmhand and a miner. 在这出戏里他既扮演雇农又扮演矿工。
- He let himself down slowly by means of a tope. 他借助一根绳子慢慢地下来了。
- A part of a geometric configuration, such as an angle in a triangle. 三角形的一个角几何形状的一部分，例如一个三角形中的一个角
- The coastline of Chile and Argentina and Brazil forms two legs of a triangle. 智利、阿根廷和巴西的海岸线组成三角形的两边。
- He went about in the disguise of a sailor. 他伪装成海员到处流窜。
- The novel unrolls the history of a certain woman. 那本小说揭露了某个女子的过去。
- The war was lost because of a shortage of munitions. 战争因军火不足而失败。
