rail

1. 1.

   A horizontal bar extending between supports and used for support or as a barrier; a railing.

   横杆,用于支撑或作为屏障；栏杆。

2. 2.

   Any of several birds in the family Rallidae.

   秧鸡科的任何一种鸟。

3. 3.

   a barrier consisting of a horizontal bar and supports

   由水平杆和支撑物组成的障碍物

4. 4.

   The metal bar forming part of the track for a railroad.

   构成铁路轨道一部分的金属条。

5. 5.

   short for railway

   铁路的简称

6. 6.

   A railroad; a railway, as a means of transportation.

   铁路；作为交通工具的铁道。

7. 7.

   a bar or pair of parallel bars of rolled steel making the railway along which railroad cars or other vehicles can roll

   由轧制钢制成的铁路轨道,用于火车或其他车辆行驶

8. 8.

   A conductor maintained at a fixed electrical potential relative to ground, to which other circuit components are connected.

   相对于地保持固定电位的导体,其他电路元件与其连接。

9. 9.

   A horizontal piece of wood that serves to separate sections of a door or window.

   用于分隔门或窗各部分的横木。

10. 10.

    One of the lengthwise edges of a surfboard.

    冲浪板的纵向边缘之一。

11. 11.

    A large line (portion or serving of a powdery illegal drug).

    一大条(粉末状非法毒品的份量或一服)。

12. 12.

    Each of two vertical side bars supporting the rungs of a ladder.

    支撑梯子横档的两根垂直侧杆之一。

13. 13.

    The raised edge of the game board.

    游戏板的凸起边缘。

秧鸡科的任何一种鸟。；由水平杆和支撑物组成的障碍物；构成铁路轨道一部分的金属条。；铁路的简称；铁路；作为交通工具的铁道。

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Learner notes