tree and branch造句

例句与造句

1. as a result, we are calling for volunteers to help cut and remove the broken trees and branches on saturday
   2003年8月9日星期六协助清除被吹倒的树木和修剪残枝。
2. the polyps, surrounded by a fleshy skin, excrete a carbonic substance from which the corals grow like trees and branches
   ，珊瑚虫才能造礁。珊瑚自己会分泌出一种石灰质来建造自己的骨骼躯壳
3. It's difficult to find tree and branch in a sentence. 用tree and branch造句挺难的