单词	oxygen-18
释义	oxygen-18 =heavy oxygen
随便看	side-of-pavement line side of piston ring side of pork side of ship side of spherical triangle side of the fence side-of-the-mouth side of the road side of the verge side of triangle side oil outlet valve side on side-on side-on coordination side-on ligand side-on photomultiplier side opening side-opening baler side opening baler side-opening hatchcover side-opening stall side-opening two-row tandem stalls side-open mud barge side opposite of an angle side opposite the angle 侧身西望长咨嗟侧身转臂著马腹侧闻大君子侧闻阴山胡儿语侬入无度数侬居石城下侯印不闻封李广侯嬴重一言侯景未生擒侯服见光辉罹难罺罻罽罽宾罾罿羁羁勒羁客