1.activity n.活动
Volcanic activity has created thermal springs and boiling mud pools.
火山活动产生了温泉和沸腾的泥浆池 。
2.ecology n. 生态学
Global ecological efforts can easily be at odds with local ecologies.
全球性生态保护工作很可能会和地方生态系统存在矛盾 。
3.problematic adj.有疑问的
This would be problematic for shareholder-owned exchanges.
这对股东拥有的交易所是个问题 。
4.species n.物种
There are several thousand species of trees here.
这里有几千种树 。
5.We may just run out of species to be transported, because at some point, all species may have been transported already.
run out of 用完
He has run out of food; his children are hungry.
他家揭不开锅了,孩子们都等着吃饭 。
If we're not careful, we're going to run out of juice.
如果我们不小心,我们将会耗尽汽油 。
6.We may just run out of species to be transported, because at some point, all species may have been transported already.
at some point 某一刻;某种程度
We're all going to die at some point.
我们都将在某个时间死去 。
The emotions will surface at some point in life.
各种情绪都会在生活中的某个时刻流露出来 。