Harry watched nervously as the tips of Dumbledore's buckled shoes found the utmost edgeof the rock rim.
邓布利多慢慢挪向湖边,哈利紧张地注视着邓布利多带铜扣的鞋尖挪到了岩石边缘的最外面。
2
The SLIM parameters have clear errors to the real values on the base of the RIM parameter measurement method because there are larger air gap and edge effect.