2020/09/09 Twenty English Words Every Day
spectrum, continuous 连续谱
spectrum, dark line 暗线光谱
spectrum, electromagnetic 电磁波谱
spectrum, emission 放射光谱
spectrum, impure 不纯粹光谱
spectrum, mass 质谱
spectrum, optical 光谱
spectrum, pure 纯粹光谱
spectrum, series 系线谱
spectrum, sound 声谱
spectrum, visible 可见光谱
specular reflection 镜面反射
speech digit signaling 语音数字信令
speech integrated circuit 语音集成电路
speech network 语音网络
speech path 语音通路
speech recognition 语音识别
speech synthesizer 语音合成器
speech-actuated manipulator 声控操纵器,语音激励发报机
speed 速度