Although he was only grumbling, his choice of words made Rodney angry.尽管他只是在咕哝，可是他的措词却让罗德妮恼火。It is certain that Rodney arrived the previous day.罗德尼肯定是头天到的。Rodney was a cheerful, elegant and gregarious if rather contentio...
The details of pine shoot development have recently become of more importance to foresters.松树枝梢发育的细节近来变得对林学家们更为重要了.Relatively few foresters or tree breeders consider the presence of edaphic ecotypes.考虑到存在土壤生态型的林学家或树木育种家相...