道树，出于《史记·平津侯主父列传》。有2种解释：行道两旁的树、菩提树。
另外，根据调查结果，提出了有必要在北京建立一行道树田间基因库的设想。
In addition, it proposes a project constructing a field gene pool of street trees in Beijing as well.
其次，我的一切都是个谜——比起一棵树、一次日落乃至一道闪电来说尤其是如此。
And, next, I am a mystery — more so than a tree or a sunset or even a flash of lightning.
“春天时，过敏原往往是树，夏天就是草地，秋天就变成杂草了，”他还补充道，整个冬天都待在家里的人也会因为灰尘或者宠物毛屑而感染过敏。
"In the spring, it's trees; the summer, grasses; and fall, weeds." Being stuck indoors all winter also may cause trouble for those allergic to dust and pet dander, he adds.
应用推荐