extant GRE专八托福

an extant letter.

还没弄丢失的信。

extant manuscripts.

尚存的手稿

Some of Washington’s letter are extant.

华盛顿的有些信件仍然被保留着。

overheard fragments of their conversation; extant fragments of an old manuscript.

零星地听到了他们的谈话；老的原稿的现存部分

only extant member of the order Rhynchocephalia of large spiny lizard-like diapsid reptiles of coastal islands off New Zealand.

产于新西兰周边岛屿上喙头物中皮上多刺类似蜴的爬行物中唯一现存的种类，。