She was in a great flutter about traveling by airplane.
她对于乘飞机旅行感到紧张。
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The mechanism of heaving-type flutter about thin plate sections was also discussed.
最后对发生于平板断面的竖弯形态颤振的机理进行了探讨。
They flutter about nervously in staccato hops.
他们焦虑不安，不断跳跃。
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