1. 夹层:interbed multiple 层间多次波 | interbed 夹层 | interbedded clay 粘土夹层
2. 夹层;间层:夹层 intercalation | 夹层;间层 interbed | 夹层煤 bastard coal
3. 互层:interbasin water diversion ==> 跨流域引水 | interbed ==> 互层 | interbedded ==> 互层的,夹层的,夹地层