1·They fired several rounds at the crowd.
他们朝人群开了几枪。
—— 《牛津词典》
2·There are normally several rounds, and a quiz can go on for 2 to 3 hours!
通常会有几个回合，一次测试可以持续2到3个小时！
3·They fired several rounds at us.
他们向我们射击了几次。
4·Plan several rounds of testing throughout development.
计划通过几轮测试整个开发。
5·After several rounds of signatures, the classroom everyone stood up.
几轮签名之后，教室里的每个人都站了起来。
6·Jogging several rounds in the field certainly relieves the day's pressure.
在操场上慢跑几圈肯定会缓解一天的压力。
7·Several rounds of negotiations held in China failed to produce an agreement.
此前在中国举行的几轮谈判未能达成任何协议。
8·The pubertal mice, however, failed to learn to avoid it even after several rounds.
然而，发育期老鼠在几次逃窜之后却未能知道回避它。
9·To make matters worse is that there are still several rounds of gun firing bullets yet.
更糟糕的是，枪中还有几发尚未击发的枪弹。
10·After several rounds of tests, the scientists identified a trio of genes that together did the trick.
经过几轮的测试，科学家们发现一个“三基因组合”出现了这种神奇效果。