首相已听取了她议会助手的简要汇报。The Prime Minister has been briefed by her parliamentary aides.物质和意识形态上的障碍在东欧已不复存在。Physical and ideological barriers had come down in Eastern Europe.我知道你研究黑猩猩至今已有30年了。I know that you'vebeen studying...
属于这类物质的有云母 、 瓷器 、 石英 、 玻璃 、 木材等等.To this class of substance belong mica, porcelain, quartz, glass, wood, etc.沥清铀矿和铜铀云母比纯铀的放射性强得多.Pitchblende and chalcolite are much more radioactive than uranium itself.它不能通过云母这样的不透水的物质.I...