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1. If these drugs are stopped abruptly then some withdrawal symptoms may occur.

如果突然停服这些药，则可能出现一些戒断症状。

2. Then abruptly he revved the engine to full power.

然后他突然加速到最大马力。

3. Isabel rose so abruptly that she knocked down her chair.

伊莎贝尔起得太急了，以致碰倒了她坐的椅子。

4. Abruptly the group ahead of us came to a standstill.

我们前面的小组突然停了下来。

5. Her voice, small and fluting, stopped abruptly.

她细小但却抑扬顿挫的声音戛然而止。