alterv.改变;更改;阉割;切除卵巢
alternator set交流发电机组
alter-isnessph.
alter polarity交替极性,变更极性
altered-rock蚀变岩
alter cataract后发性白内障
alter a policy改变政策
altered cheque更改支票
altered graphs变更图
alterated rocks蚀变岩
Alternansucrase交替蔗糖酶