锥子山复式深成杂岩体由7个复杂深成岩体组成.Zhuizi Mountain compound plutonic complex consists of seven compound plutonic rock theies.深成煤化作用是川南地区煤化作用的主导因素,本文着重阐明了构造对煤类分布的影响.This paper focuses attention on the effect of geological structure on...
I think they're just bumming around at the moment, not doing a lot.我想他们目前只是在四处闲逛，没做多少事。He was probably bumming his way home.“他多半是不花钱搭车回家.I’ve been bumming around for the last year without a job.我已经闲荡了一年,一直没有活干。He ha...
他们把黄河水引上高原,使300公亩棉田获得丰收.They have lifted water from the Yellow River onto the high land and reaped a good cotton harvest on a 300 - acre tract.公顷公制面积单位,等于100公亩 ( 2.471英亩 )A metric unit of area equal to 100 ares ( 2.471 a...