put drops in one's eyes; 滴眼药
Sweat was dripping from his face. 汗水从他脸上滴下来。
dew drop; 露滴
drizzle drop; 毛毛雨滴
a drop of water; 一滴水
Take ten drops every four hours. 每隔四小时喝十滴。
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)