Officers were going to retake sectors of the city.军官们打算重新夺回该市的防御区。In many sectors of the economy the recovery has started.许多经济领域已经开始复苏。Such devices are divided into blocks, called sectors, that are individually - erasabl...
虽然我很讨厌去，但也就此一回了。Much as I hate to go, it's now or never.这么多年来，头一回有人要我出示身份证。For the first time in many years, I got carded.还有一回，我一接电话，就掉线了。On another occasion I answered the phone and the line went dead....
"My gosh," she chirruped.“我的天！”她尖声叫道。A dozen nearby sparrows chirruped back.12只附近的麻雀也回应着叽叽喳喳叫起来.Bubbles? Oho!'said the Rat, and chirruped cheerily in an inviting sort of way.“泡沫? 啊哈! ”河鼠高兴地吱喳一声,像在对谁发出邀请....
Antibodies in the yolk are collectively named yolk immunoglobulin ( IgY ).此蛋黄中的抗体称为IgY( YolkImmunoglobulin ).DeternSning contents of immunoglobulin and alexin in milk by Agar Immunodiffusion technique.用琼脂单项免疫扩散法测定牛乳免疫球蛋白...