确保用螺栓把框架牢牢地固定在地面上。Ensure that the frame is securely fixed to the ground with bolts.盒子用螺栓旋紧了.The box was bolted down.螺栓的孔眼完全合适.The holes for the bolts register perfectly....
The wind whistled through the twigs and fretted the occasional, dirty - looking crocuses.寒风穿过枯枝, 有时把发脏的藏红花吹刮跑了.She fretted, however, at last, over the lack of stability.然而她最终对颠簸的生活感到烦恼.He fumed and fretted and did not kn...