1. pull a lone oar : 獨(dú)自干；
及物動(dòng)詞
2. He is the best oar in the crew. 他是船員中最好的槳手。
8. oar：optically amplified receiver; 光放大接收機(jī)
1. 槳；櫓 Oars are long poles with a wide, flat blade at one end which are used for rowing a boat.
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