There are also other problems related to hemoglobin in free solution.

在自由溶液中，也有一些其他涉及血红蛋白的问题。

youdao

This may sound like a free solution to global warming—but not if you have to breathe China's air.

这似乎是解决全球变暖的一种免费方案——但其实并非如此，除非你必须呼吸中国的空气。

youdao

This may sound like a free solution to global warming-but not if you have to breathe China's air.

如果你不用呼吸中国的空气，上述方法听起来好像是解决全球变暖的一个不用花钱的良策。

youdao

They're stuck to a surface that's provided by the environment that's around them, they're not swimming free in solution.

他们黏联在,周围环境的表面上,而不会在溶液中自由运动

耶鲁公开课 - 生物医学工程探索课程节选

In the mean time, Lookout is gaining a foothold as a free solution to the more common problem of lost and stolen phones.

FORBES: Smartphone Security Firm Lookout Raises Another $19.5 Million

While it's not particularly shocking news given the device's performance issues and befuddling connection to the satellite provider, it does imply that finding an affordable, modern, and subscription-free solution for over-the-air recording will soon go the way of the dodo.

ENGADGET: DISH Network's DTVPal DVR bites the dust after a short, troubled life

If a school plans to use a Station-Rotation model for math with one curriculum provider, for example, it will likely contract with one math vendor that provides supplemental math content like Dreambox Learning or ST Math or use a free solution like the Khan Academy.

FORBES: Steps and Leaps Into Next-Gen Learning