他把散乱的文件收拾起来, 塞进文件夹里.Gathering up his scattered papers, he pushed them into his case.她一向散乱的头发今天多少梳理得整齐些.Her normally unruly hair was more or less tidy today.她把散乱的头发卷起来.She twisted up her tangled hair....
She percolated the coffee and put croissants in the oven to warm.她滤煮好咖啡，然后把羊角面包放进烤箱加热。Water had percolated down through the rocks.水从岩缝间渗漏下去。The rumour percolated through the firm.那谣言在公司里慢慢流传开来....
化学家能把一种药物的各种成分分解出来.A chemist can separate a medicine into its components.化学家用电解法把水还原为氢.The chemist reduced water by electrolysis.了解这些稀有分子能帮助化学家找到可实现的目标。Understanding these rare molecules will help chemists to find out wh...