单词	dihedral angle
释义	dihedral angle n. 1. Mathematics The angle formed by two intersecting planes. 2. Aeronautics The dihedral of an aircraft wing. dihedral angle
随便看	Our Father Our Lady ours ourself ourselves -ous ousel ousel Ouse River Ouspensky oust ouster out out- outage out and away out-and-out out-and-outer out at the elbows out at the heel out at the heel/heels out at the heels outback outbacker outbalance

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