他们天生就是能说会道的推销能手。They are naturally good salesmen with the gift of the gab.比尔不仅是个游泳好手,而且是个烹调能手.Bill is both a good swimmer and a good cook.这位州长是搪塞新闻记者的能手.The governor was an expert at fencing with reporters....
A large portion of the cytoskeleton consists of threadlike microfilaments composed mainly of the contractile actin.细胞骨架大部分由微丝组成,微丝主要由可收缩的肌动蛋白组成.The eukaryotic cytoskeleton is composed of three basic types of filaments an...