The simplest explanation for this is that the axolotl lineage alone lost the ability to metamorphose, while others retained it.

对此最简单的解释是，只有蝾螈谱系失去了变形的能力，而其他族系则保留了这种能力。

youdao

Well-retained information, that is meant to be read, does not work as well when it is heard.

正式写的信息是用来阅读的，这些信息我们往往不能马上就听懂。

youdao

When that happens, the entry is retained in the pool, but its status is updated to "Full."

当发生这种情况时，条目保留在池中，但是其状态更新为“Full”。

youdao

The motion called on the minister of justice to ensure that "information and evidence provided by former and serving police officers is retained and released to any independent investigation into allegations of police wrongdoing".

BBC: Retention and Release of Information and Police Officers

Mandiant, which is retained by companies to respond to cyberinfiltrations, said it has seen roughly 30 reporters and their managers targeted in incidents dating to 2008.

WSJ: Chinese Hackers Hit U.S. Media

It has seen the opportunity to compete with its long-time British Airways rival, after regulators required it to give up slots to ensure competition is retained on Heathrow's links to Edinburgh and Aberdeen.

BBC: A Virgin Atlantic plane landing at Heathrow