It is significant to the imminent prediction through researching infrasound abnormality and accrued mechanism.但目前尚不能确定震中位置,并且对震前次声产生的机理还不是很清楚.The mere mention of the words 'heart failure', can conjure up, to th...
加号用于加法;减号用于减法.The plus sign is used in addition and the minus is used in subtraction.加号, 我们增加了秘方到帮助促进联合健康.Plus, we've added ingredients to help promote joint health.在较早的例子, 我们使用了加号和问号.In earlier examples, we've...
他是一位肥胖的老人,讲话时带有多种语言混合的多喉音的声调.He was a round old man with a guttural, polyglot accent.说话人的深重的喉音, 使这个刚醒而还莫名其妙的人几乎难以听得清楚.The deep guttural sounds of the speaker were scarcely intelligible to the newly - waked, bewildered li...