| n 用法:1 step leading up to (usu) an outside door 门阶:
 empty milk bottles on the doorstep 放在门阶上的空牛奶瓶. =>illus at App 1 见附录1之插图, page vi.
 用法:2  (idm 习语) on one's `doorstep very near 很近:
 In our holiday villas you'll have both the beach and the mountains on your doorstep. 我们的度假别墅离海滩和山都很近.
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