Phospharseno
偶磷砷基
??? 情景例句
You don't look a day over ...
你看起來一天也不比……大。
We can't make a decision without thinking it over.
我們不能不考慮，就作決定。
Well, you just need lots of practice. The more you listen to English, the easier it becomes.
噢，你需要大量的練習。英語你聽的越多，就越容易聽懂。