今天我们要学的词是 call off. To call off 有取消，叫停的意思。Pakistan opposition leader Imran Khan called off a massive protest to shut down the capital. 巴基斯坦反对党领袖伊姆兰·汗叫停了一次原定要让首都陷入瘫痪的大规模抗议活动。The search in Myanmar for a missing plane was called off after authorities confirmed there was no airplane crash off its west coast. 有关当局证实，缅甸西海岸没有飞机坠毁，一架失踪飞机的搜寻行动因此被取消。好的，我们今天学习的词是 call off, call off, call off...