In each gene you have a light-skinned variant and a dark-skinned variant.
每一种基因内都有浅肤色变体和深肤色变体。
2.adopt to 适应
We must be strong to adopt to the changes.
我们必须是强的采取对变动。
3.be supposed to 应该
I'm supposed to have handed in a first draft of my dissertation
我本该把论文的初稿交上去了。
4.move around 来回走动
He stood up and began to move around the room
他起身开始在屋里来回走动。
5.happen on 发生
I just can't believe that this kind of disaster can happen on my friend.
我不能相信这样的事情会真的发生在我的朋友身上。
