您要查找的是不是：
- Euler Line of a Triangle 三角形的欧拉线
- The angles of a triangle total 180. 三角形的三角之和等于180°。
- The boundary line of a figure, area, or object. 周围一个图形、区域或物体的边界线
- 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
- You must indent the first line of a new paragraph. 新起段落的首行你必须缩格书写。
- The apex of a triangle;the apex of a hill. 三角形的顶点；山顶
- We usually indent the first line of a paragraph. 我们常常把每段的第一行缩排。
- The boundary line of a figure,area,or object. 周围一个图形、区域或物体的边界线
- The first line of a Haiku has five syllables. 第一行haiku有五个音节。
- Gets the height, in pixels, of one line of a menu. 获取一个菜单行的高度(以像素为单位)。
- Inserted between the lines of a text. 书写于行间的在课本的行间插入的
- Do not use comments at the end of a line of code. 不要在代码行的结尾处使用注释。
- Build a production line of a solar energy battery. 新建多晶硅和单晶硅太阳能。
- You must indentthe first line of a new paragraph. 新起段落的首行你必须缩格书写。
- The point of intersection of the three altitudes of a triangle. 垂心三角形的三边垂线的交点
- An originator of a line of descent;a precursor. 前辈家族血脉的开始者；先驱
- Circumference:The boundary line of a circle. 圆周:一个圆的边界线.
- An originator of a line of descent; a precursor. 前辈家族血脉的开始者;先驱。
- Below the water line of a vessel. 在船的吃水线以下
