单词	double track tunnel
释义	double track tunnel 双线隧道
随便看	hopper hopping hoppy hopscotch horde horizon horizontal horizontal axis Horlicks hormonal hormone hormone replacement therapy hormone replacementtherapy horn horn of plenty horn-rimmed hornbeam hornbill horned hornet hornet's nest horniness hornpipe horny horology 小心天下去得，大胆寸步难行。小心寸步难行，大胆天下去得小心没大岔小心没大差小心没大错小心没过逾的小心翼翼，提心吊胆小心翼翼，瞻前顾后小心翼翼，稳扎稳打小心驶得万年船かいどうかいどうかいどう【会同】かいどう【会堂】かいどう【怪童】かいどう【海棠】かいどう【海道】かいどう【街道】かいどくかいどく