不实用根本不实用很不好。
它非常得慢，所以根本不实用，我们不可能在室温，下进行Haber反应。
It's just so slow. Thus, not at all practical We're not going to run the world on room temperature Haber process.
即使口袋里只剩下一个子，你有可能还会用它买根本不实用的东西，像一包新出的口香糖。
When you're down to your last dollar, you're likely to buy something seemingly impractical, like a pack of the latest neon-colored gum.
应用推荐