To study the influence of hydroxypropyl methyl cellulose ( HPMC ) on injectability of calcium phosphate cements ( CPC ) .研究羟丙基甲基纤维素对 磷酸钙 骨水泥可注射性的影响....
她不得不叫个理发师来给他刮脸。She had to call a barber to shave him.他似乎从不需要刮脸。He never seemed to need a shave.他每天早晨都刮脸、擦鞋。Each morning he shaved and polished his shoes....