打哈欠可能通过周期性地降低肺部的压力来帮助清理肺部。

It might be that yawning helps to clear out the lungs by periodically lowering the pressure in them.

youdao

工作站模式/并发执行，也叫并发GC-工作流程与非并发GC基本相似，但不会在整个清理周期挂起其他托管线程。

Workstation/Concurrency ON, also called Concurrent GC. – Like in the previous scenario, but the GC does not suspend the managed threads for the entire period when it reclaims unused memory.

youdao

还有一个 secondary namenode，它不是 namenode 的冗余守护进程，而是提供周期检查点和清理任务。

There's also a secondary namenode, which isn't a redundant daemon for the namenode but instead provides period checkpointing and housekeeping tasks.

youdao