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- How long is the Yellow River? 黄河有多长?
- How long is the post tenable for? 这个职位任期多长？
- How long is the Changjiang River? 长江有多长?
- How long is the warranty period? 保固期有多久呢?
- How long is the history of Hong Kong? 香港的历史有多远久?
- How long is the history of the Great Wall? 长城有多少年的历史了?
- How long is the life of a man-made satellite? 人造卫星的寿命有多长?
- How long is the way from your hometown? 从你家乡来这里的路程有多长?
- Where is the source of the Yellow River? 黄河的发源地在哪儿？
- How long is the flight to Bangkok? 到曼谷需飞行多长时间?
- How long is the flight to New York? 到纽约需要飞行多长时间?
- How long is the layover in Chicago? 在芝加哥停留多久?
- How long is the ride from here then. 从这儿到那里开车要多长时间。
- The Yellow River is the longest in China next to the Yangtse River. 在中国,黄河是仅次于长江的最长的河。
- How long is the ride to the city church? 到市教堂要坐多长时间?
- Tong guan is the meeting of the Yellow River and the Wei River. 潼关是黄河和渭水的会合处。
- This bridge is the longest one over the Yellow River. 这座大桥是黄河上最长的大桥。
- How long is the stopover at Airport? 机场要逗留多久?
- The Yellow River is the cardle of Chinese civilization. 黄河是中国文明的摇篮。
- How long is the warranty on this machine? 这部机器的保证期有多久?
