The investigation was extended to the study of a three - dimensional granular medium.将这项研究推广到对三维颗粒状介质的考察.We can now use tetrahedron and hexahedron elements in three - dimensional stress analysis.我们现在在三维应力分析中采用四面体单元和六面体单元...
Emergency workers fear that the burning ship could slip its moorings.急救人员担心燃烧着的船只可能会脱链滑走。They escaped through an emergency exit and called the police.他们从紧急出口逃脱，并报了警。The Prime Minister has called an emergency meeting of p...
His smiling face appears on T-shirts, billboards, and posters.他的笑脸出现在T恤衫、公告牌和海报上面。He has nowhere to stick up his posters.他没地方贴海报了。We'd been making cakes and colouring the posters.我们一直在做蛋糕，给海报上色。...