1.Preemptive Self-defense aroused a bitter controversy over international law of self-defense and the United Nations.
“先发制人”对国际法、联合国造成了巨大的冲击。
2.But it has also provoked bitter controversy after scientists carbon-dated it to the Middle Ages.
但在科学家以碳元素测定它实为中世纪的产物之后，随即引发了一场激烈的争论。
3.In neighbouring Greece, there is a bitter controversy over a new textbook for 12-year-olds.
在相邻的希腊，在给12岁的新的教科书上有很激烈的争论。