短语词组短語Single Double Bed 人牀;孤單雙人牀single indeed bed 單人牀single fluidized bed reactor 單級流化牀反應器Subdividing single sand bed 細分單砂層Single -bed Room 單人房間;單牀間single sand bed 單砂層Single adsorbent bed 單吸附牀single e bed 單人牀;單牀房 返回 single bed