| rub | |
| 级别 | 第6级 |
| 音标 | [ rʌb ] |
| 解释 | n.摩擦，困难，障碍，难点，磨损处；vt.擦，搓，摩擦，惹怒；vi.摩擦，擦破 |
| 英英释义 | to press or be pressed against something with a circular or up and down repeated movement |
| 发音 |  |
| 例句 |
1. Don't let the wire rub up against the pipe. 别让电线碰到管子上。 2. He used to rub up against many famous movie stars. 他过去经常偶然碰到许多有名的影星。 |
