The pilot is piloting the new combat aircraft with high proficiency.
有头的螺栓； 三头神狗； 头脑冷静的战斗机飞行员。
Results show that EFL learners, even at the advanced proficiency level, have great difficulty with high frequency function words, such as TO and FOR.
结果显示，中国英语学习者，即使在高级阶段，在运用如TO和FOR等高频率功能词方面仍然有很大的困难。
It is a manner to deal with the dispute by the compromise of the two parties. The thoroughness and high proficiency in resolving dispute is much better than judgment.
它是通过纠纷双方的合意自行解决争议的一种方式，在解决纠纷的彻底性、高效性上，有着裁判无法比拟的优势。
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