这种病情叫做季节性情感失调症，或简称SAD。This condition is called seasonal affective disorder, or SAD for short.糖尿病是由体內胰岛素分泌失调引起的.Diabetes is caused by a fault in the insulin production of the body.她装做对自己的失调和苦恼若无其事, 但是实际上她是为自己的健康状况非常发愁的人.S...
Typical components in such a blend could be isooc'tane, alkylate and catalytic reformate.这种混合物中的典型成份可能是异辛烷, 烷基化合物和催化重整产品.The FCC unit produces large quantity of raw materials for alkylate producing.催化裂化装置还生产大量可以用于生产...
The bulk of the book concerns Sandy's two middle-aged children.书中主要描写桑迪的两个已到中年的孩子。Staff can use the noticeboard to flag up any concerns.员工可以用布告栏表达任何关注。Feminism must address issues beyond the concerns of middle-class...