hydrometer
hydrometer /haɪˈdɹɑːmɪtɚ/ nghĩa là tỷ trọng kế
Các nghĩa
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tỷ trọng kế
An instrument that floats in a liquid and measures its specific gravity on a scale.
On the wall were hanging thermometers, barometers, and hydrometers, and every other sort of ometer, numberless, dusty, and mysterious; […]
Dạng khác
- hydrometers plural