词汇	water poliution
释义	water poliution 水污染
随便看	integral equivalency integral equivalent integral erection integral errection integral error integral error method integral error squared integrales integral establishmont of superior courses integral estimate integral estimation integral experiment integral experimental project integral exponent integral exponential integral expression integral extension integral-external-cavity reflex oscillator integral extinction Integral extremal point integral extrusion integral factor integral failure probability integral fan integral fast reactor