a wildlife preservation order野生动物保护令Both superpowers shared the same instinct for self-preservation.两个超级大国都有自我保护的本能。The picture is in an excellent state of preservation.这幅画保存得极为完好.The speediest succor might avail to the ...
Techniques for controlling particulates include filtering, washing, centrifugal separation, and electrostatic precipitation.控制颗粒污染物的技术包括过滤 、 洗涤 、 离心分离 、 静电沉降.Guitar's experiments did not stimulate any practical stud...
她跑步的时候用头绳儿把头发扎起来.She tied her hair with string while running.注意: 钳尾绳直径至少是猫头绳直径的两倍.Note: The snubb line should be at least twice the size of the tong line....