原油受到了自然产生的分解油类物质的微生物的侵蚀。The oil is attacked by naturally occurring microbes which break it down.还有更多熟悉的地貌是因地表侵蚀形成的。More familiar landscapes have been sculpted by surface erosion.这会让肥沃的土壤暴露在外，使其容易受到侵蚀。This leaves fertile ...
Torsional microslip at the clamps results in spurious torques which act like pivot friction torques.夹紧处扭杆的微小滑移会产生干扰力矩,它的作用和轴颈的摩擦力矩一样.Torques resulting from this change are called compliance torques.这种变化产生的力矩称为弹性变形力矩.Air ...
He got up to strut his stuff on the dance-floor.他起身到舞池里炫耀自己的舞技。This strut braces the beam.这根柱子支撑房梁.Now we'll strut arm and arm.这会儿咱们可以手挽着手儿,高视阔步地走了....
我去年因病耽误了很多功课。I missed a lot of school through illness last year.因病请假不扣工资.No deduction in pay is made for absence due to illness.因病而缺课的学生不下十名.No fewer than 10 students were absent through illness....