A、樹(shù)姿雄偉、樹(shù)冠開(kāi)張 B、樹(shù)姿矮小、樹(shù)冠開(kāi)張 C、樹(shù)姿挺拔、樹(shù)冠緊湊 D、樹(shù)姿矮小、樹(shù)冠緊湊
A、逐漸熄火 B、突然熄火 C、啟動(dòng)不著 D、啟動(dòng)困難
A、香樟 B、雪松 C、水杉 D、蜀檜