Either of two dates each year when day and night are of equal length everywhere on Earth.
「等夜」每年两天中的任何一天,在这一天,地球上的任何地方白天和夜晚等长。
Either of two large northern Marine mammals having ivory tusks and tough hide over thick blubber.
两种大型北方哺乳动物之一,有尖牙,厚厚的鲸脂外面有粗糙的硬皮。
Sweat gland: Either of two types of perspiration glands in the skin.
汗腺:两种皮肤出汗的腺体之一。
Either of two rods through which current flows to form an arc, as in lighting or welding.
碳精棒两根棒的任一根,电流流经该棒形成电弧,如在闪电或焊接时。
Lung: Either of two light, spongy, elastic organs in the chest, used for Breathing.
肺:胸腔里两个轻软的、海绵状的、有弹性的器官组织,用于呼吸。
Either of two folds of skin and muscle that can be closed over the exposed portion of the eyeball.
眼睑两个对折的皮和肌肉,能合上盖上眼球的裸露的部分他的眼球一动不动。
Nautical Either of two lights, red to port, green to starboard, shown by ships at night.
船只夜间航行所显示的两种灯中的一种,左舷为红色,右舷为绿色。
Either of two blue lines running across an ice-hockey rink, usually 「0 feet from each goal, and dividing the rink into defensive, neutral, and offensive zones.
穿过冰上曲棍球球场的两条蓝线中任一条,通常距球门」0英尺,这两条蓝线将球场划分为防守区、中区和进攻区。