weigh heavily on one's mind like a stone; 心里像坠上了一块石头
The branches were bending down with the weight of the apples.; The apples weighed the branches down. 苹果把树枝坠得弯弯的。
fall down from the top floor; 坠楼
fall off a horse; 坠马
pendent of a fan; 扇坠
eardrop; 耳坠
牛津高阶第八版
美国韦氏词典
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维基百科 (自由的百科全书)