您要查找的是不是：
- In dragon boat rowing each person has one oar. 划龙舟时每个人都拿着一枝桨。
- Perhaps now they can sit back and rest on their oar. 也许现在他们可以坐下来休息一下了。
- He varied the transmission frequency. 他变换了无线电传送的频率。
- I know how to mend a fuse and I don't need you shoving your oar in! 我知道怎麽弄保险丝，用不著你管！
- A unit of frequency equal to one cycle per second. 赫兹频率的单位，等于每秒一周
- oar frequency 桨频
- Number3 had rowed himself out and was slumped over his oar at the finish line. 三号选手已划得精疲力竭，一划到终点就已伏倒在他的桨上了。
- Fatal accidents have decreased in frequency over recent years. 近年来死亡事故发生的频率已经下降。
- He pulled an oar in the winning shell. 他在获胜的赛艇上划桨。
- The blade of the oar was bitten off by a shark. 浆叶被一条鲨鱼咬掉了。
- We can often correlate age with frequency of illness. 年龄的大小往往与发病率有关。
- He oar himself to the other side of the big river. 他划到大河的彼岸。
- The first is a rudder, the second an oar or sail. 之于舟楫，前为舵，后为桨，或为帆。
- Accidents on that highway are happening with increasing frequency. 那条高速公路上车祸发生得越来越频繁。
- Sometimes an oar is used to steer a boat. 有时桨用以操纵小舟。
- The oar got entangled in the weeds. 浆给水草缠住了。
- To drag an oar at the end of a stroke. 拖桨在一次划浆的最后拖桨
- An oar skimming the surface of the pond. 划过池塘水面的桨
- The practised oar pushed out and the boat left the tank like an arrow. 老练的桨手篙一撑，船就似箭般离了岸。
- He pulls on the oar to make the boat go faster. 他用力划桨使船行得更快。
