通常称为睑板腺囊肿，这个硬硬的、不痛的块状物通常会在几天内迅速长出，在油性皮肤的人身上最常见。
Known as a chalazion, this hard, painless mass typically comes up quickly over a few days. It's most common in people with oily skin.
尽管第一个长出木本的植物体积很小，但接下来的其他植物种群便能够因此迅速从木本结构优势种获利，仅仅几百万年的时间，其中一些具有木本的植物便进化得像现在的树一样了。
Although the first plants sporting wood were small, subsequent species quickly took advantage of wood's structural strength: in just a few million years, some had attained treelike stature.
他们迅速生长出肢体，一个标准的孵化月内就能在上陆行走。
They quickly grow limbs and are able to walk on land within a standard month of hatching.
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