round off 详细解释

round off

（使）圆满结束, 完成

圆满结束

They rounded off the evening by singing a song.

他们唱了一首歌, 圆满结束了这个晚会。

词形变化

名词: roundness | 动词过去式: rounded | 动词过去分词: rounded | 动词现在分词: rounding | 动词第三人称单数: rounds |

英英释义

动词 round off:

make round

同义词：round, round out

bring to a highly developed, finished, or refined state

同义词：polish, round, polish up, brush up

express as a round number

同义词：round down, round out, round

补充

round offround off1.使圆满结束The performance was rounded off with a one-act play.演出以一个独幕剧圆满结束。2.弄圆Take a piece of sandpaper and round off the edges of the frame.拿张砂纸把框架的边磨圆。

例句

1. a dazzling firework display which rounded off a lovely day圆满结束美好一天的精彩焰火表演 2. They rounded off the meal with liqueurs.他们那一餐以利口酒圆满结束。 3. He rounds off by proposing a toast to the attendants.他向所有出席者祝酒, 结束了讲话。 4. He rounded off the sharp corners of the table with a piece of sandpaper.他用一块砂纸把桌子的各个尖角磨圆。 5. We decided to round off our tour of Europe with a brief visit to Madrid.我们决定去马德里作一次短暂的访问，以此结束我们的欧洲之行。 6. The answer should be rounded off to three decimal places.答案应四舍五入至三位小数。

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