half-line的用法和样例：
例句
用作名词 (n.)
- The archer is standing on the shooting line.
那个箭手站在起射线上。 - A ray is a line beginning at a certain point and extending indefinitely.
射线是一根从某一点开始，无限止地延伸的线。
词汇搭配
- half-maximum line breadth 半峰线宽
- half-wave transmission line 半波传输线,半波输电...
- half-court line 半场线
- half line 半直线
- half wave transmission line 半波输电线
- half-line pulse 半直线脉冲
