通常床垫和床架是成套购买的。The mattress and base are normally bought as a set.这张旧床的床架是铜的.This old bed has a copper frame.这张旧床的床架是铁的.This old bed has an iron frame....
Its common useis in conjunction with selective gas chemisorption for verification of metal surface area.它通常是和选择性气体化学吸附结合起来使用,以确定金属表面积.A direct dissociative chemisorption process was found.并且发现一直接分解化学吸附过程.The chemisorptio...
“瞧，又来了不是？又惹孩子伤心！”雪莉说。"There you go again, upsetting the child!" said Shirley.雪莉出去购物，回家时却两手空空。Shirley returned home empty-handed from her shopping trip.“你骗不了我，”雪莉傲慢地说。"You can't fool me," Shirley said archly....
病症包括皮疹、发烧和关节疼痛。The symptoms include skin rashes, fever, and painful joints.许多对关节病有效的药品主要含有利尿成分。Many remedies effective in joint disease are primarily diuretic.她的腕关节骨折了。She's broken her wrist....