1.speed of sound 音速
例句:The new airplane flies at twice the speed of sound.
這架新式飛機以兩倍于音速的速度飛行
。2.in addition to 除…之外
例句:In addition to accumulating and preserving these oncogenic scars, a stem cell's enormous proliferative capacity makes it an ideal target for malignancy
干細胞除了可累積并保存這些致癌突變外,還具有強大的增殖能力,使它成為癌化的理想目標
。3.free fall 自由下落
例句:His quest began in September 1988, when the French space agency selected him to free fall and parachute from near-space.
他對極限跳傘的追求開始于1988年9月
。那時的法國空軍機構選中他去做近天的自由降落和跳傘運動 。4.high-tech 高科技的
例句:The dream of a high-tech Florida is not outlandish.
建立一個高科技佛羅里達并非離經之談
。