日子一天天过去，花粉干结成了硬块。As the day goes on, the pollen dries up and becomes hard.她一针一针地缝那块粗布。She passed the needle through the rough cloth, back and forth.山间的一小块耕地是不可能养活一大家人的。A smallholding in the hills could not support a larg...
This is my office, my little cubbyhole.这是我的办公室，我的幽闭之地。Cubby : A small room; a cubbyhole; a small secluded room; a small compartment.有小房间, 小隔间(橱),隐蔽的小房间, 等等意思. 具体翻译要看上下文而定.A small compartment or recess , as in a desk, for...
种子蕨类植物包括树状类型的植物.The seed ferns included treelike forms.配水树状管网优化布置属于典型的组合优化问题.Optimization of cooling pipe network layout is a typical combination optimal problem.依照树状结构, 分层次地组建这种8结点的超正方体.According to the tree structure, ...