Its oscillation depends on the strength of the gravitational field.它的振动幅度取决于引力场的强度。the gravitational pull of the moon月球的引力Dark matter gives out no light and is detectable only because of its gravitational effect on visib...
这种材料有不同的名称,如灰 、 炉渣 、 煤渣或矿渣.This material is variously termed ash, clinker, cinders or slag.在重新点火前先把煤渣耙出来.Rake out the cinders before you start a new fire.她进来时,我正在筛煤渣.I was sifting the cinders when she came in....
She has a pair of pellucid blue eyes.她有一双清澈的蓝眼睛。After reading these stodgy philosophers, I find his pellucid style very enjoyable.在阅读这些乏味的哲学家, 我觉得他的透明风格非常愉快.They sat there watching the water of the pellucid stream rush b...