发生全肺气肿时，从呼吸性细支气管到肺泡的所有腺泡都丢失了。

Panacinar emphysema occurs with loss of all portions of the acinus from the respiratory bronchiole to the alveoli.

youdao

在今年二月份时，有多名天文学家都警告称，人类现在要比历史的任何一个时候都更加脆弱，面对太阳风暴，我们必须做好万全准备，以应对这一场全球性的卡特里娜飓风灾难。

In February, astronomers warned that mankind is now more vulnerable to such an event than at any time in history - and that the planet should prepare for a global Hurricane Katrina-style disaster.

youdao

可用性——在使用循环日志模式时，只能进行离线全备份。

Availability - With circular logging mode, only offline full backup is possible.

youdao