to double as的意思|示意

As you'll see shortly, these package names will have to serve double duty as directory names.

您稍后就会看到，这样的包名称必须担负充当目录名这样的双重任务。

It ruins a book to double back the pages as a bookmark.

把书页折起来当作书签用会把书弄坏的。

Too often, a spouse tries to double as a career coach when an employee's job hits a dead end.

一个人的工作陷入死胡同时，他(她)的配偶往往会试图在职业问题上给出一大堆的建议。

He [Obama] reiterated double standards while trying to package it as a support for freedom.

他说：“奥巴马表示支持自由，却又重申了双重标准。”

Use the single equal sign to assign a value to a variable, unlike the double equal sign (==), as in the previous condition, which compare the values.

使用单等于号来向变量赋值，而不是像在前一个条件中那样使用双等于号 (==) 来比较值。

Blue Source presently handles credits offsetting ~ 20 million tons of emissions annually. Demand is expected to double as mandatory emissions limits become more likely.

Blue Source现在每年处理近2千万吨，随着强制限制排放量的可能性加大，排放信贷的需求有望翻倍。