在他头顶的天花板上有一道很深的裂缝。There was a deep crack in the ceiling above him.一股怒气直冲头顶，我的脸一下子涨得通红。I flushed bright red as a spurt of anger flashed through me.空气中散发着煤油味，巨型飞机在头顶隆隆地响着。The air reeked of kerosene and huge aircraft rumble...
Commonly prescribed are anti - microbial mouthwashes containing the active ingredient chlorhexidine gluconate.抗菌抗菌漱口水都包含有效成分--太葡糖酸盐.Objective : To study the adsorption properties of montmorillonite in chlorhexidine aceta...
丰田将其汽车出现的突然加速问题仅仅归咎于以下两个原因: 汽车底垫摆放位置不当以及油门踏板出现卡壳.Toyota has blamed sudden acceleration on just two causes: out - of - position floor mats and sticky accelerator pedals....