雨后彩虹在天上形成弓状.A bright rainbow arched above after the rain.弓状前缘的: 具有外凸曲线形前缘的.Bowfront: Having an outward - curving front.显微镜下将脑膜抬起,暴露出岩浅大神经 、 面神经裂孔和弓状隆起.Lift the cerebral dura mater to exposure greater superficial petrosal...
You are either very young or an incurable optimist.你要么非常年轻，要么是个不可救药的乐天派。Poor old William is an incurable romantic.可怜的老威廉是个无可救药的浪漫主义者。He is suffering from an incurable skin disease.他患有无法根治的皮肤病。...
With characteristic rashness and valor, Peter plunged into the icy water.以他惯有的冲动和勇气，彼得一头扎进了冰冷的水中。Fortitude is distinct from valor.坚韧不拔有别于勇猛。The captain is always boasting of his military valor.上尉老是自夸阵前之勇....