A toddler requires close supervision and firm control at all times.刚学步的孩子时刻需要寸步不离的照看，并要牢牢看紧。The centre is staffed at all times.该中心随时都有工作人员。Staff members are trained to treat customers with civility at all times.全体职员接受训练，...
我得了严重的关节炎和慢性鼻窦炎。I developed serious arthritic symptoms and chronic sinusitis.我仍然患有黏膜炎和鼻窦炎。I still suffer from catarrh and sinus problems.我服用了抗生素来治疗鼻窦炎，但似乎未能根治。I have had antibiotics for my sinusitis but it doesn't s...
She forestalled their attempt.她先发制人,阻止了他们的企图.O'Leary made to open the door, but Bunbury forestalled him by laying a hand on his arm.奥利里想去开门，但是邦伯里抢先一把摁住了他的胳膊。I had my objection all prepared, but Stephens forestalled ...
The dough was formed into tubular grains by extrusion.药团通过挤压而成管状药.Some other materials are added to facilitate extrusion and other manufacturing operations.添加其它的一些物质是为了使挤压和别的加工过程更为方便.Two common methods of manufacturing p...