PREFIX (用于构成形容词)表示“在…之外”,“超出”extra- is used to form adjectives indicating that something is outside something or is not part of it. (用于构成形容词)表示“在…之外”,“超出” [formal]
The move was extra-constitutional.
此举超出了宪法的规定范围。
They competed for power through a combination of parliamentary and extra-parliamentary methods.
他们在议会内外同时下手争夺权力。
The report says torture was widespread, as were extra-judicial executions by government troops.