emergent 专八

1.Early recognition of pneumopericardium is important, because emergent pericardiocentesis may be required if there is clinical evidence of cardiac tamponade.

发生气包心症时必须尽早诊断，如果发生心包膜填塞，必须紧急实施心包膜。

2.Trees of the family Dipterocarpaceae dominate the canopy and emergent layers of the hyper-diverse, aseasonal, humid lowland tropical forests of Southeast Asia.

龙脑香科植物为主东南亚热带雨林有一非常特别现象，那就是不定大开花现象。