The use of Gilbert's method sharpens our field observations.吉尔伯特方法的应用使我们的观测结果更具有说服力.Mr Weaver talks with her while she sharpens her pencils.她一面削尖铅笔,韦佛先生一面跟她谈话.Cold weather sharpens the pain in my knee.寒冷使我膝盖的疼痛加剧....
The cower unit of the Eagle is a wellsorted lithic and glauconitic marine sandstone.伊格尔砂岩的下部单元是分选良好的岩屑质和海相海绿石质.To trample upon practice is to cower before truth.对实践的专横就是对真理的恐惧.Although it is very cold, don't cower b...
通过雌株末梢的纵切面所现出的几个瓶 状 的颈卵器, 这就是雌性生殖器官.A similar section through the female plant reveals several bottle - shape archegonia , the female reproductory organs.他们或者由雄株和雌株组成, 或者由雌株和两性个体 ( 雌金异株 ) 组成.They consist either male and ...