A shoal of porpoises are well on the feed.一群海豚正在吞食.stranded on a shoal在浅滩搁浅a shoal of fish一群鱼The boat struck a shoal and fetched up all standing.那艘船撞上浅滩突然停了下来。How can I tell the abyssal zone from the shoal waters?我怎么区分深水...
Morgan dropped his cigarette and crushed it underfoot.摩根把香烟丢到地上，用脚踩灭。Barbara Morgan taught at an elementary school in McCall, Idaho, before she trained for space.在她接受航天训练之前,BarbaraMorgan曾经在爱达荷州Mccall的一所小学任教.Around the Mo...
Exploration markers includes hot - water sedimentary rocks, gossan wall - rock alteration, and geophysical and geochemical anomalies.找矿标志主要有热水沉积岩 、 铁帽、围岩蚀变 、 地球物理异常、地球化学异常等.Because some strata carbonaceous shale, the res...