梯形是具有两平行边的四边形.A trapezoid is a quadrilateral with two parallel sides.双梯形的试样将产生切变脱胶现象.A double trapezoidal specimen will generate shear debonding.阀杆上的短梯形螺纹适用于快速启闭操作.Stub acme thread on stem provides rapid open - close ope...
He accused President Carter of vacillation and retreat.他指责卡特总统的动摇和退缩。Vacillation is the cause of his failure.优柔寡断是他失败的原因.His constant vacillation made him an unfit administrator.他经常优柔寡断,这使他不适合当行政官员....
I enjoy pleasure as much as the next person.我和别人一样愉快。Experts reveal only as much as they care to.专家们只透露了他们想透露的那些。Relax as much as possible and keep breathing steadily.尽量放松,保持平稳呼吸。...