Antimetabolite: Substance replaces, or inhibits a specific compound within a cell , whose functioning is thereby disrupted.抗代谢物: 对于活细胞利用或合成其所需物质过程中的基本化学变化具有特异拮抗作用的物质....
落日将余辉洒在水面上.The descending sun was making brilliance upon the water.落日的余辉染红了山顶.The setting sun flushed the mountain tops.夕阳的余辉闪耀在辽阔如海的河面上.The slanting light of the setting sun quivers on the sea - like expanse of the rive...
Diagrams and graphs are indispensable visual aids in many aspects of economics.图形和图解在经济学的许多方面是重要的形象工具.Therefore, it is frequently necessary to control certain aspects of the environment in such large enclosures.因此常常需要控制如...