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- regressive ripple mark 逆行波痕
- The dark-gray traction current deposits belong to internal-tide deposits, it develops sandstones and siltsands, and charactered with lenticular, wave, flaser bedding, bimodal cross-bedding and ripple mark. 深水牵引流沉积为内潮汐沉积类型，岩性为细砂岩、粉砂岩，以发育透镜状、波状、脉状层理、双向交错层理、波痕等沉积构造为特征。
- Surface quality of billets shall be free from all harmful defects like surface cracks, seams, laps, folds,scabs blowholes,deep ripple marks, aluminum patches, slag patches etc. 钢坯表面要避免一些瑕疵譬如裂纹，接缝，重叠，折痕，抓痕，深的波纹，斑点等。
- The water scarcely reached my waist; the sand was firm and covered with ripple marks, and I waded ashore in great spirits, leaving the Hispaniola on her side, with her mainsail trailing wide upon the surface of the bay. 水刚到我的腰问，脚下的沙滩很坚实，上面留有一道道波纹。 我精神百倍地涉水上了岸，任凭西斯潘尼奥拉号侧身倒在那里，也任凭它的主帆漂在小湾的水面上。
- Six sedimentary structures, ice split seams, ice slid marks, ice collapsed seams, ice induced pellets, ice eroded ripple marks and ice level marks, are newly found in Yellow River delta. 在黄河三角洲新识别出 6种冰冻沉积构造 :冰劈裂缝、冰成滑痕、冰塌裂缝、冰成球粒、冰蚀波痕和冰位痕。
- Based on practical experience, the authors put forward effective prevention methods to decrease the defects in sanding process, such as sanding marks, ripple marks and creases on fabric. 针对常见真丝绸砂洗的疵病,如砂洗痕、水玻璃皱、布面皱痕等,作者提出了有效的防止措施。
- He vainly tried to mark the defacing stain out. 他试图除去有损外观的污迹，但没有成功。
- A ripple of laughter went through the audience. 观众中响起一阵轻轻的笑声。
- Indicator of Outside Geologic Action: Ripple Marks 控制流水波痕的外部地质作用
- Many prisoners, on being freed, regress to a life of crime. 许多囚犯，一旦获释，仍去犯罪。
- Her school work isn't quite up to the mark. 她的功课不大符合要求。
- That was just a lot of hot air what Mark said. 马克所说的不过是一大堆空话。
- War has left its mark on the country. 战争给该国留下了不可磨灭的痕迹。
- The public scandal left a black mark on his career. 这一尽人皆知的丑闻给他的事业留下了污点。
- A ripple, as on the surface of water. (水面上的等)细浪，涟漪
- How much do you know about the works of Mark Twin. 马克。吐温写的作品你知道多少？
- Happy anniversary, Helen and Mark! 海伦、马克，祝你们结婚周年快乐！
- Mark and Barbara are going together now. 马克与巴巴拉现在正在谈恋爱。
- Mark has lost his job and is worse off than ever. 马克的工作丢了，情况比以前更糟。
- The pebble made a ripple on the surface of the lake. 石子在湖面上激起一个涟漪。
