At Sheep Dog, which is twice the size of our current home, to use solar panels to effectively heat the whole house, we'd probably have to cover an acre or two to get enough electricity.

牧羊犬洼地的面积，相当于两个我现在所住的房子，如果在那里使用太阳能电池板取暖的话，我们可能就要覆盖一到两英亩的面积去获取足够的电力了。

youdao

If you use a set of fully charged AA size batteries to provide voltage and current they last only a few hours.

如果您使用的是一组全充的AA电池来提供电压和电流，那么它们只能支撑几个小时。

youdao

The easiest way to do this is to use the du tool to determine the current file/directory size.

要完成这项工作，最简单的方法是使用 du 工具来确定当前文件/目录的大小。

youdao

Reitzes writes that Apple has chosen to maintain the current size for easier one-handed use.

FORBES: Apple: Time For An iPhablet?

Noah Samara, WorldSpace chairman, said the new system will use small satellite radio receivers about the size of current-day transistor radios and deliver digital quality sound.

CNN: Ariane rocket orbits U.S. communications satellites