Keystoner
n. 美国宾夕法尼州人之绰号
🗣️ 情景例句
First I want to call home
我先得打个电话回家
You'll get hurt, if you don't watch out.
你不注意的话，就会受伤。
If we were able to discover lowly forms of life like bacteria on another planet, it would completely change our view of ourselves.
如果我们能够在另一颗行星上找到诸如细菌的那种低等生命，那么这个发现将彻底改变我们对我们自己的看法。