晚期核内体可能由早期核内体逐步成熟而来。
Late endosomes might derive from early endosomes by stepwise maturation.
早期宇宙目前仍是研究的焦点，晚期则已成熟。
The very earliest moments are still the focus of intense research, and the final word is not yet in.
《远大前程》是狄更斯晚期的作品，也是他最成熟的作品。
"Great Expectations" is the late works of Dickens, but also his most mature work.
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