词汇	trace ingredients
释义	trace ingredients 微量成分
随便看	elevation of temperature Elevation of temperature curve elevation of the curve elevation of the road surface elevation of Tongguan elevation of water elevation of water surface elevation of well elevation of wharf apron elevation of zero point elevation of zero point of barometer elevation order elevation oscillation elevation over-and-under type elevation-over-azimuth elevation over azimuth mount elevation-over-azimuth mount elevation parallax elevation perspective elevation picture elevation plan elevation plane elevation planning elevation point elevation point by independent intersection