拆分 con（加强意义）+ ver（vert，转）+ sion（名词后缀）→转变
例句 Special effect can be achieved during conversion by using special screens or darkroom techniques. 在转换时，更可利用特别网片或黑房技巧，使相片有特别效果。
衍生 convert v. 变换，转变；皈依；改变（信仰）
翻译 Conversion of your heating system（改变暖气系统）from coal to gas will be costly.
同义替换 change v.转变；变换
expel [?k?spel] v. 驱逐；开除
例句 He was expelled by the university. 他被大学开除了。
翻译 She was expelled from school at 15.
