摘要： follow up vt. 穷追，跟踪，重复补充，继承，监督，贯彻到底vi. 跟进，采取措施 例句与用法：But on the debit side, as you leave office, the nation is saddled with a$2.6 trillion debt, an enormous deficit, caused perhaps by the tripling of ... 阅读全文

摘要： ca·su·al['kæʒjuəl]ca·su·aladj. 偶然的，随便的，非正式，漫不经心的 例句与用法：Such casual dress would not be correct for a formal occasion. 这样的便服不宜在正式的场合穿。He likes casual attires. 他喜欢休闲服装。A casual n... 阅读全文