1.Relations between the USA and Turkey have soured following the purchase by Turkey of a Russian missile defense system.
sour 变坏;恶化
The disagreement over trade tariffs has soured relations between the two countries.
贸易关税上的分歧导致两国关系恶化。
2.U.S. officials argue the Russian system would be incompatible with NATO systems
be incompatible with 与...不相容
His behavior has been incompatible with his role as head of state.
他的行为与他的国家领袖身份不相称。











