词汇	挺直脊梁
释义	挺直脊梁 straighten one's back脊梁
随便看	Higher-surveying higher-symmetry higher synthesis higher tachers instiutions higher tar acid higher tax authorities higher taxon higher teacher higher teacher college higher teacher education higher teacher education institutions higher teachers academy higher teachers college higher teachers colleges higher teachers education higher teacher training Higher Teacher-training higher teacher-training education higher teaching college higher tearing resistance metals higher-tech higher technial and vocational Higher Technical higher technical and vacational education higher technical and vocational