aggressiveness 考研

The Australian Terrier is spirited, alert, courageous, and self-confident, with the natural aggressiveness of a ratter and hedge hunter;

澳洲梗是一旺盛、警惕、大胆而自信狗，是天性捕鼠者和灌木丛猎手；

And though he acted with what seemed at the time like blitzkrieg aggressiveness, he regretted in later years that he hadn’t moved even faster.

虽然他行动在当时看来就像一场闪电战，但他后来却后悔自己没能更快。