Fast-forward half a dozen years or so,讓時間快轉約六年

or so大約

There are 300 students or so in this middle school.

這所中學大約有300個學生。

It'll only cost 15 dollars or so.

只要十五美元左右。

and the wreck will begin to show the first signs of corals visible to the naked eye.這艘沉船將首度出現肉眼可見的珊瑚跡象

visible to看得見

This star is not visible to the naked eye.

這顆星肉眼看不見。

reaching far out into the water, and up to the light.往外伸展到大海，也向上爭取陽光

up to直到

His new book did not come up to expectation.

他的新作沒有達到預期水平。

yet they can rapidly grow dozens of plates, or branches,而且會迅速長出數十個珊瑚塊或珊瑚枝，上面擠滿珊瑚蟲

dozens of幾十

She's got dozens of boy-friends.

她的男朋友多極了。

We have dozens of things to do now.

我們現在有很多事要做。