Gullies, streaks, ripples and dust devil tracks on Russell Crater Dunes.沟壑, 条纹, 波纹和沙尘暴,罗素环形山沙丘轨道.Near the end of the movie, the base of the dust devil becomes much wider.在影片的结束部分, 旋风的基部变得很宽.The dust devil column is clear...
We need more young scientists to fill the gap left by a wave of retirements expected over the next decade...我们需要更多年轻的科学家来填补预计未来10年退休高峰带来的人才缺口。The commission's conclusions sweep away a decade of denials and cover-ups...
She kicked at the door with her foot, and the pressure was enough to open it...她用脚踢门，力气之大足以把门踹开。Helen gained some compensation for her earlier defeat by winning the final open class...海伦在公开组决赛中取胜，这对她早先的失败算是一种补偿。The chair...