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...
Bob Dole seemed less than enthusiastic about the proposed move.鲍勃·多尔似乎对提议的这项行动不太感兴趣。The teachers are enthusiastic and have a sense of purpose.教师们很热情并且很有决心。Her greeting was less than enthusiastic.她的问候一点都不热情。...