您要查找的是不是：
- " essential symbol" teaching method “纲要信号”教学法
- The chemical symbol for copper is "Cu". 铜的化学符号是Cu。
- Her most essential quality is kindness. 她最主要的品质是善良。
- On maps, a cross is the symbol for a church. 在地图上，十字符号代表教堂。
- Surprise is an essential component of my plan. 我这项计划主要就是想使大家惊喜一下。
- Rice is our essential foodstuff in life. 大米是我们生活的基本食物。
- Cypress branches used as a symbol of mourning. 柏枝作为悲哀象征的柏树枝
- National unity is essential in time of war. 举国团结在战时是非常重要的。
- We use x as the symbol for an unknown quantity. 我们用x表示一个未知数。
- The white bird is a symbol of freedom. 这白色的鸟是自由的象徵。
- What is the essential theme of the play? 这剧本的主题是什麽?
- The Cross is the symbol of Christianity. 十字架是基督教的象征。
- The lion is the symbol of courage. 狮子是勇武的象徵。
- Limit your expenditure to what is essential. 你要把开销限制在必要的范围内。
- The dove is the symbol of peace. 鸽子是和平的象征。
- It is essential that he get up early. 他有必要早起。
- Get a hustle on to stockpile these essential material. 赶快把这些重要材料贮放起来。
- A mark or symbol used in a writing system. 符号，字体文字系统里的符号或标记
- Mass education is essential in promoting democracy. 民众教育对提倡民主是非常重要的。
- The symbol for the speed of light in a vacuum. 表示真空中光速的物理符号
