The boy was busied about some mechanical contrivance.这孩子正在忙着做什么手工.music with a tendency towards contrivance and lack of substance.矫揉造作而缺乏实质性内容的音乐Such a machine is beyond the contrivance of ordinary people.这种机器是一般人发明不出来的....
方法:采用比色法测定制剂中醋酸泼尼松龙的含量.METHODS colorimetry was applied to determine prednisolone acetate in the nasal drops.该类药物有泼尼松和地塞米松等.Prednisone and dexamethasone are examples of corticosteroids.以泼尼松龙为原料,经氧化 、 酰化 、 水解成盐、氯甲基化成酯制得氯替泼...
It's sometimes tough to tell with the clown anemonefish ( Amphiprion percula ) due to its gender - bending ways.遇上了海葵双锯鱼,有时很难分辨得出来,因为它们的性别会换来换去的.Anemonefish swarm a healthy Manra reef in the sunwashed wilderness of ...