这是无氧时所得能量的19倍.This is 19 times the energy obtainable under anaerobic circumstances.光谱测量用的乳胶应贮存在干燥 、 无氧的环境中.Spectroscopic emulsion should be stored in a dry, oxygen - free environment.地方的情况(特别是有氧或无氧)影响着生物降解.Local conditio...
Surface defect and macrostructure of high carbon steel billet were analyzed.介绍了铸坯相关表面缺陷及低倍组织,提出了质量控制措施及方案.Macroproposition: It is the general proposition used to form an overall macrostructure of the story.宏观命题: 它是用来形成故事...
He began to talk in his most gentle and avuncular manner.他开始讲话了，态度极其和蔼而慈祥。He was now playing the role of disinterested host and avuncular mentor.他现在正扮演着慷慨的主人和伯父似的指导人的角色.He adopt an avuncular tone of voice when give advic...
许多校舍不安全，有些简直是摇摇欲坠。Many school buildings are unsafe, and some are falling apart.由于存在着危险的下层逆流，在大部分海岸线附近游泳都不安全。Dangerous undertows make swimming unsafe along most of the coastline.男女混合的舞池不安全，对女孩子尤其如此。A mixed-sex moshpit is ...