凸凹不平的石墙就像一条很深的运河的河岸。The rough rock walls were like the sides of a deep canal.他们沿着河岸向西出发了。They set out in a westerly direction along the riverbank.罗伯特失足滑下了河岸。Robert lost his footing and slithered down the bank....
Scientists are becoming increasingly unsure of the validity of this technique.科学家们越来越拿不准这一技术是否正当合法。The criticisms have at least an element of truth and validity.那些批评至少有一丝真实性和合理性。The period of validity of the agreement ha...
You mustn't break the rule that no one but drivers can enter the cab.除了司机任何人都不能进入驾驶室,你不能违反规定.A certain ( some ) person HAs seeing you break the rule.某些人不同意你的看法.If you dare to break the rule, you will be punished.如果你...