Most bats navigate by echolocation.大多数蝙蝠靠回声定位来飞行。Most bats produce echolocation sounds by contracting their larynx.大多数蝙蝠通过收缩喉咙所发出的声音实现回声定位.Some bats have specialized structures for emitting echolocation calls.一些蝙蝠已经把用于发出...
我想就一件有关良心的事征求您的建议，神父。I would like your advice on a matter of conscience, Father.国会议员这个周末要向所在选区的选民征求意见。Members of Parliament are spending the weekend canvassing opinion in their constituencies.他当时正在度假，无法联系到他征求意见。He was va...
这些故事中的玩偶形象跟谁都不像，更不用说像自己了。The doll-like figures in these stories are unlike anybody, let alone oneself.母亲给他两只会自动跳出盒的玩偶.Mother gives him two dolls of automatic kick on boxes.这小姑娘为她失去的玩偶而悲伤.The little girl mourned her lost ...
Barium is found in some oilfield brines in concentrations greater than 100 mg / litre.在有些油田卤水中,钡的浓度大于100毫克/升.Practical applications for heat flow measurements in ocean floors are the location of hot brines.洋底热流量测量的实际目的是圈...