oriental emerald的用法和樣例：
例句
- This is why emerald oftenw has flaws, which is reputed to be desirable.
所以在天然的祖母綠中，多半有細小的龜裂痕。 - Efforts to stop the sbread spread of the ameraled emerald ash bover borer include cutting down afected affected trees.
為了組織祖母綠白蠟蟲(chóng)侵襲所作出的努力，還包含砍伐掉那些已經(jīng)感染上蟲(chóng)害的樹(shù)木。
