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1. The finishing drill is essential for the final assembly of the machine.
完成钻头对于机器的最终组装至关重要。
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2. She spent hours practicing her piano skills in preparation for her upcoming performance.
她花了很多时间练习钢琴技巧，为即将到来的表演做准备。
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3. The teacher gave us some test-taking tips to help us improve our grades.
老师给了我们一些考试技巧的建议，以帮助我们提高成绩。