The drug improved mental alertness.该药有助于提神。Alertness, calmness, courage : he could see them all in the youngster's face.机警, 镇定, 胆量,都摆出在这年青人的脸上.We must maintain a military standard, an alertness, and never vary it.我们...
He dismissed my argument contemptuously as not worth refuting.他把我的论证轻蔑地一笔抹杀,认为不值一驳.Give the masses a free hand in refuting the Rightists'big - character posters .大字报 必须要让群众反驳.Enclosed are two articles refuting Yu Pi...