primary Si初晶Siprimaryadj.首要的；主要的；初级的；初等教育的；根本的；初期的n.第一位；初选；最主要者；要素；原色；初级线圈primary tooth乳齿primary image原象primary press第一压榨primary plane原平面primary graph初等图primary value根本价值取向primary cleft初级裂口； 初级裂隙primary inlet初进气口, 主进气口primary rules主要规则primary layer初生层

1. The speeder is armed with antipersonnel blasters and a main anti-vehicle gun.
   这种飞行艇配备反单兵爆能枪和一门反装甲主炮。
2. At Tyrwhitt's instigation a number of his cruisers were fitted with a ramp over the forward 6-inch gun.
   在蒂里特的鼓动下，他的巡洋舰有好几艘在船首一五二毫米主炮上面安装了滑道。