她在平衡木上完成了一个漂亮的侧手翻后平稳落地。

She executed a flawless ___round-off on the balance beam before landing steadily.

把价格四舍五入到最接近的整数。

___Round-off the price to the nearest whole number.

我们在派对上以一首歌圆满结束了这个美好的夜晚。

We ___rounded off the wonderful evening at the party with a song.