铅灰色的天空
a dark, dull, grey sky, often suggesting rain or gloom
深灰色且沉重的天空,通常在雨或雪之前
沉重的心情
a heavy physical object, or a feeling of heavy burden or depression
比喻用法,指不开心或担忧的沉重感觉
沉重的脚步
heavy and slow-moving feet, often due to tiredness or sadness
因疲倦或悲伤而变得沉重且移动缓慢的脚步