He sensed the delicacy of the situation.他感觉到了形势的微妙。At low frequencies, such as 10 per sec., pulsation is sensed rather than vibration.在低频率(譬如每秒十次)时, 所感觉到的是脉冲而非振动.Prost had sensed what might happen.普罗斯特已经觉察到可能会发生什么事。She s...
不同类别的化石是以不同的方式保存下来的 ― ―有的如同模型或模压品.Different fossils have been preserved in different ways - some as moulds or casts.后模压工艺是相当严格的.The postmolding process is relatively harsh.他研究调制油墨的方法,使字模压上去时,油墨不致溅开.He learned to mix ink ...