| 单词 |
sun compass |
| 释义 |
sun compass sun compass[′sən ‚käm·pəs] (navigation) A device which utilizes the shadow of a shadow pin, or gnomon, and a suitable dial to facilitate use of the sun for determination of direction. |
| 随便看 |
- air toxics analytical support team
- air toxics and radiation monitoring research division
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