黄油、人造黄油和多脂鱼都含有丰富的维生素D。Butter, margarine, and oily fish are all good sources of vitamin D.作为食品配给制的一种遗留影响，他们总把黄油和人造黄油混在一起吃。As a hangover from rationing, they mixed butter and margarine.向日葵所制人造黄油的脂肪含量与黄油脂肪含量相同。Sunflower mar...
He travels in a sleigh and comes down the chimney.他乘着雪橇,从烟囱里下来.The accommodation is some distance from the clubhouse, so a hire car comes in useful.住处离会所有一段距离，所以租一辆车会很有用。Doing human rights work is risky business. That co...
The movie industry had chosen to ignore the encroaching competition of television.电影业故意无视电视业的侵犯性竞争。The sea is encroaching upon the land.海水浸蚀着陆地.I turned into the dirt road and followed it through encroaching trees and bu...
To stability analysis of tethered balloon, a three dimensional nonlinear mathematical model tethered aerostat was assembled.为研究系留气球稳定性,建立了系留气球的三维非线性动力学模型....