名詞 rounding:

1. (mathematics) a miscalculation that results from rounding off numbers to a convenient number of decimals
   同義詞：rounding error

動詞 round:

1. wind around; move along a circular course
   同義詞：round
2. make round
   同義詞：round, round out, round off
3. be around
   同義詞：surround, environ, encircle, circle, round, ring
4. pronounce with rounded lips
   同義詞：round, labialize, labialise
5. attack in speech or writing
   同義詞：attack, round, assail, lash out, snipe, assault
6. bring to a highly developed, finished, or refined state
   同義詞：polish, round, round off, polish up, brush up
7. express as a round number
   同義詞：round off, round down, round out, round
8. become round, plump, or shapely
   同義詞：round, flesh out, fill out

1. The bill should have been$29.54 so I round it up to$30.
   賬單本來應該是92。54美元，我湊個整數(shù)把它調高到了30美元。
2. He measures 30 inches round the waist.
   他的腰圍是30英寸。
3. A new roof will cost round about 1000.
   換新頂篷需要 1000 英鎊左右。
4. A rounding up and driving of cattle to new pastures or to market.
   驅趕牛群圈集并驅趕牛群到新的牧場或市場