1. 俯冲：nose dive 空降 | nose down 俯冲 | nose flute 鼻笛

2. (飞机机首朝下)(使)下降：keep [hold, bring, put]sb.'s nose to the grindstone 折磨某人; 不给某人片刻休息 | nose down (飞机机首朝下)(使)下降 | nose into 驶往; 打听; 干预

3. 机头向下：前整流罩 nose dome | 机头向下 nose down | 前起落架 nose gear

4. (飞机)朝下;俯飞：The detective was nosing around in the crowd,looking for pickpockets.侦探在人群中寻找扒手. | 2.nose down(飞机)朝下;俯飞 | The big airliner began to nose down for a landing.大客机开始俯飞准备着陆.