英文: A downward movement; descent.
中文: 向下的运动;下降英文: Frown and draw eyebrows downward.
中文: 皱眉,将眉毛往下带动。英文: Interest rates are tending downward.
中文: 利率正倾向下跌。英文: Man struggles upward; water flows downward.
中文: 人往高处走,水往低处流。英文: The demand curve usually slopes downward.
中文: 需求曲线通常向下倾斜。