运动场管理员全力整备球场。The ground staff do all they can to prepare the pitch.他绕着运动场跌跌撞撞地走着，并且痛苦地大叫。He staggered around the playground, screaming in agony.学校的运动场the school playing fields...
PP是一种半结晶性材料.PP is a semi crystalline material.PBT是一种通过浓缩成型而制备的,一种半结晶热塑性塑料.Polybutylene terephthalate ( PBT ) is a semicrystalline thermoplastic polymer formed by a condensation process....
Special alloys: varnished or satiny alloy with soft and refined colour modulations.特殊合金: 漆皮或经过色彩调制并且光滑柔软的合金.Blackberry and sweet oak flavours spill onto the palate giving this wine a plump satiny texture.黑莓和甜橡木风味使葡萄酒丰满光滑...