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abbr.中音频（soundintermediatefrequency）
n. (Sif)人名；（瑞典）西夫
1、if bread───如果面包
2、pharmaceutics if───药剂学如果
3、if───n.条件，设想；不确定的情况；conj.（表条件）如果；（表假设）要是，假如；无论何时；虽然，即使；（用于间接疑问）是否；（用于礼貌问询）是否；当，每次；（与情态动词连用）表婉转客气；这不是……，要是……多好；或许不；就算；尽管
4、if s───abbr.国际科学基金会 (International Foundationfor Science)；间质性体液间隙（nterstitialfluidspace）；国际测量员联合会 (International Fedrationof Surveyors)；综合设施XiTong (Integrated Facilities System)
5、if so if not───如果是，如果不是
6、so if───因此如果
7、take if───如果
8、if done───如果完成了
9、if not───如果不；不然的话；要不，不然; 若非
1、Because you can reduce by 96 percent - I said 96 percent - the number of new infection[s] if you are able to treat people early.───因为新感染的人数可以被降低96%，我这么说，是指如果你能在早期治疗新的感染者。
2、'There's a tremendous opportunity for McDonald's if they broaden out, ' he said, adding that the company has sufficient capital to invest.───他说，如果麦当劳的门店增多，将有无限商机等着它。另外他还补充说，麦当劳有充足的投资资金。
3、S if we have a closed surface with a normal vector pointing outwards, and we want to find a flux integral for it, well, we can replace that with a triple integral.───向量似乎是指向外部。，And, the, normal, vector, to, s, seems, to, be, pointing, out wards, everywhere。，如果我们有一个法向量指向外部的封闭曲面，并且我们要求出它的一个通量积分，那么我们可以用一个三重积分来代替这个通量积分。
4、This is what Murphy' s Law tells us: if things can go wrong, they will go wrong.───这就是墨菲定律告诉我们的：如果事情有可能出错，那么它就一定会出错。
5、s If we apply the Hund rule, we've got up arrow, down arrow, right?───got，one，in，the，s，orbital。,如果我们遵循洪特规则，我们用向上和向下的箭头，对吧？
6、'Our system is modeled on that of the U. S. If the U. S. system is having problems, will the Chinese system be fine?───他说，我们的体系是以美国为范本的，如果美国的体系都存在问题，难道中国的就没问题？
7、Anager announced that the deed to a Clendoran brewery would be Calrissian's if he made good on his boast.───阿纳格宣布，如果卡瑞森把他吹的牛实现，一处克兰多瑞安酿酒厂的房契就是他的。
8、"There is only one way I can get out of this, " he said, "and that's if I split the money with the two of you. "───“只有一种方法能把我从这个困境中解救出来，”他说，“我可不可以把钱分给你们？”
9、That's if you want to be really honest with yourself. You could always take the safe, comfortable, seemingly innocent life of Not Yet.───如果你真的想对自己诚实，你可以总过“还没”的安全、舒适并且似乎无知的生活。
1、In the U.S., if you want a 50- to 100-Mbps connection, it is going to cost you plenty: about $105 with a triple play plan.
2、P.S. – If you are interested in memory, you may also want to see my earlier series on 5 Key Paths to Improving Memory as well as my podcast with Fiona McPherson from About Memory.
3、Venn started s if he had not seen her - artful man that he was - and said, yes.
4、Unless you receive instructions from us to the contrary, you are not required to advise amendment(s) (if any) to the Second Beneficiary.
5、All input ports on the manifold have internal check valves to seal off the input signal(s) if a transducer is removed from the manifold.