When his whisky came he drank half of it in one gulp.威士忌端上来后，他一口气就喝掉了一半。She capped the bottle and drank it down with one gulp.她除去瓶盖，一饮而尽。I took in a large gulp of air...我深吸了一大口气。We swallowed the chocolates in one gulp, l...
Acceleration and velocity are both vectors.加速度和速度都是矢量。Mosquitoes are feared as vectors of malaria.恐怕蚊子是疟疾的传播体。Inertia scalars are defined in terms of quantities called inertia vectors.我们将用惯性矢量来定义惯性标量....