极左的英文：
the ultra-left

Many extreme right - wing or leave - wing governments have been accused of practise totalitarianism.
许多极右或极左的政府被指控实施极权主义。

He is an ultra.
他是个极端主义者。

UCC Ultra Clear Coatings
超清晰涂层

ultra deep well
超深井

It's an ultra expression.
这是一种极端的表达。

Any provision in that way is said to be ultra vires and is void.
这种偏激的条文将被废止。