词汇	back-facing step
释义	back-facing step 后向台阶
随便看	Seeds compressed globose,thick,nearly wingless seeds cultivating with laser seeds culture SEEDS-cups for bird-cages Seeds cylindric Seeds cylindric,located at center of samara Seeds cylindric, located at center of samara SEEDS-distributors Seed Seedling Seed seedling-raising method Seed seedlings seed-seedlings technique Seed-seedling transformation seed-seedling transforming Seed segments seed-selecting and breeding of animal seed selection seed-selection seed selection and breeding seed selection by mud water seed selection of the new cowpea cultivar seed selection of the new cowpea cultivar 2 seed selection room seed selection science Seeds ellipsoidal