1 PREFIX (构成形容词)表示“横贯”，“通过”，“到…的另一边” trans- is used to form adjectives which indicate that something involves or enables travel from one side of an area to the other. For example, a transcontinental journey is a journey across a continent. (构成形容词)表示“横贯”，“通过”，“到…的另一边”

2 PREFIX (用作构词)表示“转移”，“变化” trans- is used to form words which indicate that someone or something moves from one group, thing, state, or place to another. (用作构词)表示“转移”，“变化”