They could trace the growth and shrinkage of continental glaciers, even in parts of the ocean where there may have been no great change in temperature—around the equator, for example.这个状语看起来应该是解释说明前面的内容。
老师好。我今天看到一个句子。 A tiger cant be tamed unless caught very young. 我可以认为 unless 后面的 caught 是因为省略了it is,但是 后面very young我就想不通了。应该不能还原成 unless it is caught when it is very young 吧 ?那岂不是相当...