1.millions of 成千上万的

例句：Millions of people were immolated in World War I.

千百万的人们在第一次世界大战中被杀死9EHC2,yEPwedAwJ*3^I。

2.take place 发生

例句：Other actions associated with the milestone may take place during normaloperations, and not only when an exception occurs.

与此里程碑关联的其他动作可能在正常运营期间发生，而并不只是出现在发生异常时.Ab57~I7e,;mCEZDDd,9。

3.allow to 允许

This test simulation tested users working as fast as machine speed will allow to testthe CMServer.

例句：这种测试模拟测试用户速度会像机器速度那样，以允许测试 CM 服务器dl.J^*MQwFP*QU-x。

4.trace back to 追溯到

But most of the qualities could still be traced back to our first two or, if not, theyseemed lessfundamental somehow.

例句：但是它们要么是大多数都可以追溯到我们前面的那两个；要么是有点不那么必需1Lh;(UCOd=!c。