v. (通常指金属)(使)失去光泽, (使)变灰暗( tarnish的第三人称单数 ); 玷污, 败坏
英文解释
n discoloration of metal surface caused by oxidation
v make dirty or spotty, as by exposure to air; also used metaphorically
词态变化
原型:tarnish
变形:3
常见例句
1
a white soft metallic element that tarnishes readily
2
n a white soft metallic element that tarnishes readily
3
bluish white when freshly cut but tarnishes readily to dull grey n
4
bluish white when freshly cut but tarnishes readily to dull grey n evidence pointing to a possible solution n a position of leadership (especially in the phrase `take the lead') n the angle between the direction a gun is aimed and the position of a moving target (correcting for the flight time of the missile) n the introductory section of a story n (sports) the score by which a team or individual is winning n an actor who plays a principal role n (baseball) the position taken by a base runner preparing to advance to the next base n an indication of potential opportunity n a news story of major importance n the timing of ignition relative to the position of the piston in an internal-combustion engine n restraint consisting of a rope (or light chain) used to restrain an animal n thin strip of metal used to separate lines of type in printing n mixture of graphite with clay in different degrees of hardness
5
bluish white when freshly cut but tarnishes readily to dull grey n a unit of information equal to 1000 terabits or 10^15 bits n a unit of information equal to 1000 terabytes or 10^15 bytes n a unit of information equal to 1024 tebibytes or 2^50 bytes