amplifier tube
电 放大管… Read the rest
电 放大管… Read the rest
*[sә,pɒnifi’keiʃәn]
n. … Read the rest
a. 丝状的, … Read the rest
医 输精子的… Read the rest
*[,ʌn’kwɒlifaid]
a. … Read the rest
*[,ænti’fi:brail]
a. … Read the rest
计 前向差分法… Read the rest
解除对…的禁令… Read the rest
化 开关手柄… Read the rest
*[‘siftә]
n. … Read the rest