1.The distinction of species he explains by the destruction of intermediate graduated forms.

他通过间级形式破坏来解释物种区别。机翻

2.It's called the mid-roll even though it's not in the middle of the show.

尽管不在间，这种广告形式仍被称为“插广告”。机翻

3.In the first place, it should always be borne in mind what sort of intermediate forms must, on the theory, have formerly existed.

首先，应该始终牢记在理论必须存在什么样间形式。机翻

4.Natural selection, as has just been remarked, leads to divergence of character and to much extinction of the less improved and intermediate forms of life.

正如刚才所说， 自然选择导致性格， 并导致改良程度较低和间生命形式大量灭绝。机翻

5.Hence all the intermediate forms between the earlier and later states, that is between the less and more improved states of a the same species, as well as the original parent-species itself, will generally tend to become extinct.

因此，早期和晚期状态之间所有间形式，即同一物种改良程度较低和改良程度较高状态之间所有间形式，以及原始亲本物种本身， 通常都会趋于灭绝。机翻

6.You might be worried about these two forms – the one in which the noun or noun phrase comes in the middle of the phrasal verb and the one in which the noun or noun phrase comes after it.

你可能会担心这两种形式——名词或名词短语位于动词词组间形式，和名词或名词短语位于动词词组后面形式。