问题
名词解释
伴流
答案
参考答案：船在水中以某一速度V向前航行时，附近的水受到船体的影响而产生运动，其表现为船体周围伴随着一股水流，这股水流称为伴流或迹流。
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伴流
参考答案：船在水中以某一速度V向前航行时，附近的水受到船体的影响而产生运动，其表现为船体周围伴随着一股水流，这股水流称为伴流或迹流。
| 补全对话。 | |
Alice: 1______ Dong: Did you smell smoke? Alice: 2______ Dong: Where was she? Alice: She was playing in the gym. Dong : 3______ Alice: He was eating lunch in the cafeteria. 4______ Dong: When the fire started, I was talking on the telephone. Alice: What did you do? Dong: 5______ Alice: Good for you! |