他从背后悄悄逼近了那毫无戒备的受害者。He had crept up on his unsuspecting victim from behind.他脸部带有戒备的神情.He wears the guard on his expression.由于安全戒备的原因，该次列车在“牛津街口广场”站将不停留。Due to a security alert, this train will not be stopping at Oxford Ci...
The temperature differences between ingoing and outgoing streams of gases are higher , thus requiring more refrigeration.进出气流间的温差比较大, 因而需要较多的冷冻量.One, segregation nurses patient ingoing single room, decline visit.隔离护理患者迁入...
to have a facelift接受去皱整容手术Nothing gives a room a faster facelift than a coat of paint.重新粉刷一下是使房子焕然一新的最快方法。Radiofrequency is a procedure that offers an alternative to the traditional facelift.射频技术则是替代传统面部整形的一种方法....