介绍:
20170811
06. My grandma is 40 years older than me. 我祖母比我大40岁。
307. This river is one third as long as that river. 这条河只有那条河的三分之一长。
308. What's the shape of your balloon? 你的气球是什么形状？
309. How wide is this bridge? 这座桥有多宽？
310. How thick is the ice here? 这儿的冰有多厚？
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