1.millions of 成千上萬的

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

千百萬的人們在第一次世界大戰中被殺死9EHC2,yEPwedAwJ*3^I。

2.take place 發生

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

與此里程碑關聯的其他動作可能在正常運營期間發生，而并不只是出現在發生異常時.Ab57~I7e,;mCEZDDd,9。

3.allow to 允許

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

例句：這種測試模擬測試用戶速度會像機器速度那樣，以允許測試 CM 服務器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：但是它們要么是大多數都可以追溯到我們前面的那兩個；要么是有點不那么必需1Lh;(UCOd=!c。