| 正面 | 12902.propeller 英 [prə'pelə]美 [prə'pɛlɚ]     |
|---|---|
| 背面 |      释义： 1、pro- "forward" + pell- "drive, push" + -er.2、含义：push forward, drive forward, drive forth.n. [航][船] 螺旋桨；推进器 例句： 1. With a low-pitched rumbling noise, the propeller began to rotate.伴随着隆隆的低沉噪声，螺旋桨开始旋转起来。 propeller 螺旋桨来自propel,推进，促动。 propeller (n.)1780, "anything that propels," agent noun from propel. In mechanical sense, 1809, of ships; of flying machines (in a broad, theoretical sense) 1842, in the specific modern sense 1853." |