质量守恒定律 自然界的基本定律之一 law of conservation of mass 质量守恒定律一般指物质守恒定律(自然界的基本定律之一) Law of conservation of mass generally refers to the law of conservation of matter (one of the fundamental laws of nature) 拉瓦锡, 现代化学之父 Lavoisier ...
The Importance Of Reading Books: 20 Benefits of Reading 1. Increase your vocabulary 2. Improve concentration Reading takes time, patience, and concentration. 3. Reading can help with depression Reading helped buil ...