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| tide | |||
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| tidal water | |||
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| tide The periodic rise and fall of the water resulting from gravitational interaction between the sun, moon and earth. In each lunar day of 24 hours and 49 minutes there are two high tides and two low tides | |||
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| tide | |||
| tidevand: 30 短语, 5 学科 |
| 农业 | 1 |
| 地球科学 | 2 |
| 建造 | 1 |
| 环境 | 3 |
| 生命科学 | 23 |