You sense the stresses in the hull each time the keel meets the ground
每次龙骨触地的时候你都能感受到船体所受的压力。
Several of them keeled over in the heat.
他们中有好几个人在酷暑中倒下。
He then keeled over and fell flat on his back.
然后，他便仰天倒下了。
Jason had helped him out with a series of loans, until he could get back on an even keel.
贾森接连借了几笔钱给他，在他重新走上正轨之前帮他渡过了难关。
She does almost everything on an even keel.
她做起事来几乎都是四平八稳的。