“防护的”用英语怎么说

拉尔夫站了起来, 随着暮色逐渐深沉,他产生了一种奇怪的失去防护的感觉.Ralph stood up, feeling curiously defenseless with the darkness pressing in.入侵检测技术作为安全防护的重要手段, 显得日益重要.As an important measure, intrusion detection technical seems necessary.红树林防护的堤坝,固若金...