某些病毒的核衣壳是由被膜所包绕.In some viruses the nucleocapsid is surrounded by an envelope.溶酶体也为膜所包绕,含有分解某些大分子的酶.Lysosomes are also membrane bound and they contain the enzymes concerned with the breakdown of macromolecules.心脏被一种叫做心包的...
These costs are deductible from profits.这些费用可从利润中扣除。Keep track of tax-deductible expenses, such as the supplies and equipment you buy.记下可减免课税的开支，比如买的原料和设备。Expenses are deductible only to the extent that in aggregate they...
I have no respect for my father who, having remarried, is still up to his old tricks.我对父亲没任何敬意，他已经再婚，却依然喜欢耍老把戏。Interestingly enough, a few weeks later, Benjamin remarried.有意思的是，几个星期以后，本杰明又结婚了。Her husband died 10 years ag...