Sometimes a creature uses a pair of antennae to swim.有时某些动物使用其一对触须来游泳.He tells us of lightless stars, " visible " only to radio antennae.他对我们谈起一些不发光的星星, 只有无线电天线才可以 " 看见 ".Its ears were small, cup - shaped antennae.它的耳朵很小...
One , introductive coke is in the action in blast furnace is well - known.前言焦炭在高炉中的作用是众所周知的.Service category , such as consultative information service, competitive information and introductive contents etc.包括参照性信息服务 、 竞...