Downwards
描述运动、趋势或视线朝向更低位置；经济 “trend downwards” 表示走低。与 “downward” 常可互换，英式偏好加 s 的副词形式。
- “Smoke drifted upwards while ash fell downwards.” (烟往上飘，灰往下落。)
- “The path slopes gently downwards to the lake.” (小径缓缓向下通向湖边。)
- “Prices moved downwards for three straight months.” (价格连续三个月走低。)
古英语 dūne（向下）与 “down” 相关，加表示方向的副词后缀 “-wards”。
“down” + “-wards”（朝向），同类词：forwards, upwards。
英式书面语与英式软件界面更常见 “downwards”；美式 “downward” 也可作副词使用。
- 固定搭配: “face downwards” (面朝下), “spiral downwards” (螺旋式下跌)
- 形容词/副词变体: downward；反义: upwards / upward
down（下）+ wards（朝某个方向）→ 一路朝下的方向。
“He pointed downwards to show where the keys had slipped between the rocks.” (他向下指，示意钥匙滑进石缝的位置。)