Mustering all her strength, Nancy pulled hard on both oars.南希使出所有力气，用力划动双桨。He paused again, mustering his strength and thoughts.他又停下来, 集中力量,聚精会神.The LORD Almighty is mustering an army for war.这是万军之耶和华点齐军队,预备打仗....
You can pay to be upgraded to a business class seat.你可以付费升级到商务舱。Helicopters have been upgraded and modernized.直升机已经更新换代，装配了现代化设备。They upgraded the land by improving it with new buildings.他们建造新楼房来提高土地的等级....
In the worst - case scenario, UV light mutates DNA, leading to premature aging or skin cancer.在最差的情况下, 紫外线能使DNA发生突变, 于是导致提前老化或皮肤癌.In this paper , UV - Vis spectra of oil, oil, sunflower oil and hogwash oil were studied.研...