The boy's room is a complete contrast to the guest room.这个男孩的房间和客房截然不同。The private sector, by contrast, has plenty of money to spend.相比之下，私营部门就有很多钱可供开销。Hungary, by contrast, reacted calmly to events in Yugoslavia.相比...
The black paint on the door provides a contrast for the white walls.门上的黑漆与白墙形成对比。That is in stark contrast to the situation during the 1970 oil crisis.那和1970年石油危机时的情形完全不同。In contrast, aerobic exercise can reduce the conc...
斯坦把装了钱的纸袋卷了起来。Stein rolled up the paper bag with the money inside.规则要求样本必须装在两个水密容器中。The rules state that samples must be enclosed in two watertight containers.他给自己的船装上另一批货后便启航了。He loaded his vessel with another cargo and...
Getter - ion pumps decrease chamber pressure by chemical reaction of residual gases with an evaporated metal.吸气离子泵通过剩余气体与蒸发的金属之间的化学反应减少了内腔的压力.Recent electronic means of pumping using low temperature sorption techniques a...