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- main semaphore arm 主臂板
- semaphore arm direction indicator 臂板信号指挥灯
- The main impediment to growth is a lack of capital. 影响发展的主要障碍是缺乏资本。
- Crowds thronged the main square of the city. 城里的大广场上挤满了人群。
- Pilot: Equipment check... arm main parachute. 飞行员：检查装备...背上主降落伞。
- The whole school (was) assembled in the main hall. 全校在大礼堂集合。
- enamelled semaphore arm 搪瓷臂板
- The main feature on the program is her song. 那个节目的主要号召物是她的歌。
- auxiliary semaphore arm 辅助臂板
- Fables often have animals as the main characters. 寓言常以动物为主角。
- semaphore arm 号志臂
- A heavy snowfall block the main road. 一次严重的降雪阻塞了主要公路。
- The gas main explode and set fire to the house. 煤气总管爆炸引起房子失火。
- I grasped the main point of the speech. 我领会了这篇演讲的要点。
- The country's main products are gold and cocoa. 这个国家的主要产品是可可和黄金。
- Men and machines poured along the main highways. 人和机动车顺着公路如潮涌而去。
- A main feature of computer virus. 计算机病毒的一种主要特性。
- He arranged his speech under four main heads. 他把发言内容归纳成四个主要方面。
- Sheet in the main sail, a storm in coming! 收回主帆，风暴要来了！
- In the main, the pupils did well on the test. 总的来说，学生们考得很好。
