常見(jiàn)例句Under natural condition, the invasive plants formed superiority community easily, so it had a bigger potention of harmful effect to Lolium perenn. 在自然條件下，外來(lái)入侵雜草容易形成單一優(yōu)勢(shì)種落，對(duì)多年生黑麥草草坪具有較大的危害潛力。 返回 perennate