1. 副詞
   單個地, 單身地
   單槍匹馬地
   單獨地, 獨自地
   一個個地, 逐一地
   個別地
   

   同義字詞
   alone,independently,single-handed,single-handedly,solely,unaided,unassisted
   

例句

1. Fifty were executed singly or in pairs.
2. But slices of bad luck never come singly .
3. You can buy them singly or by subscription.
4. The positive ions are mostly singly charged.
5. Chestnut leaves are borne singly along the stem.
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