The most exciting aspect of chemistry is the ability to create new molecules that have never existed before.
我们生产的每一桶石油都必须负责任地完成,充分考虑环境和社会影响。
For attractive lips, speak words of kindness.
I'm intimidated by the fear of being average. And I'm just not. I'm not average.
为孩子画画是要抓住本质,而不是细节。