alternatev.交替;轮流adj.间隔的;轮流的;交替的n.代替者;供替代的选择
alternate tower另类塔楼
alternate route更替通路,更替路由,备用路线
alternate depth共轭水深
alternate diode整流二极管
alternate power备用电源
alternate stage交替水位
alternate input交替输入
alternate steel代用钢
alternate juror候补陪审团员, 预备陪审员
alternate month隔月刊