The military is expanding its antimissile defencesystem.
军方正在扩大其反导弹防御系统。
《柯林斯英汉双解大词典》
2
Then, in September, he held out his hand to Russia by announcing a reconfiguration of America’s anti-missile defencesystem.
然后,去年9月,他宣布重新考虑美国的反导防御计划,向俄罗斯展示善意。
3
Military force is out of the question because of the danger to the South. The United States' new missile-defencesystem is, to put it charitably, unproven.