危险: dangerous; perilous; risk; peril; danger 短语和例子发出危险信号 send out a danger signal; 冒生命危险 at the risk of one's life; peril one's life; 脱离危险 out of danger; 在危险中 in danger of; in the time of peri
专用: (reserved for) special use; for a special purpose◇专用拨款 special appropriation funds; 专用车床 special purpose lathe; 专用车辆 special-purpose vehicle; 专用电话 telephone for special use; 专用码头 single us
