两个物体的相互作用力总是大小相等,方向相反,同时出现或消失且作用于同一直线上。
Future agriculture must be high-tech agriculture, and aquaculture is no exception.
所有的水都有完美的记忆,永远试图回到它曾经所在的地方。
You pray for rain, you gotta deal with the mud too. That's a part of it.
The Vietnamese people deeply love independence, freedom, and peace. But in the face of a threat to their country's independence, the Vietnamese people would rather sacrifice everything than lose their country and be enslaved.