If come menstruation and is electronegative is the specification pregnant certainly?如果来月经而且试纸是阴性是不是说明一定没怀孕?This paper investigated the process of avalanche growth in electronegative gas.提出了一种分析电负性气体中电子崩发展过程的四参数模型.Put lea...
Accidental inhalation of the powder can be harmful.意外的粉尘吸入可能有害。It was an accidental meeting.这完全是一次偶然的相会.Our meeting in New York was quite accidental.我们在纽约的会见完全是偶然的....
他经历的恐怖事件在他脑海中刻下了深深的，或许是难以磨灭的印记。The horrors he experienced are imprinted, perhaps indelibly, in his brain.农场主布朗的牛都烙上了字母“B”的印记.Farmer Brown's cattle are branded with the letter B.年岁在他的额上打下了印记.The years have set their ...