小路上很多地方都长满了山楂树。Much of the track had become overgrown with hawthorn.他把自行车藏在山楂树篱中。He hid the bicycle in the hawthorn hedge.山楂树上开始长出叶芽。Leaf-shoots were beginning to sprout on the hawthorn....
蚯蚓深深地钻进底土.Earthworms burrow deep into the subsoil.进入底土的化学物质会减少，这对土质松软的热带土壤而言尤为重要。Less chemical gets into the sub-soil which is particularly important with the light, tropical soils.土壤中含有效锌转低时, 深层耕翻会使缺锌的底土暴露出来.In a solid ...
The two countries have each expelled another diplomat following a round of tit-for-tat expulsions.在一轮针锋相对的驱逐事件之后，两国各又驱逐了一名外交官。There have been three expulsions from the school this year.今年学校已开除了三名学生.The Russian response t...