only if
英 [ˈəʊnli ɪf]
美 [ˈoʊnli ɪf]
conj. 只有当
英英释义
adv
双语例句
- Don't help her out of pity, but only if you think she deserves it.
不要因怜悯而帮助她，除非你认为她值得你帮助。 - Money can buy happiness, but only if you spend it on someone else, researchers reported.
研究人员日前称，金钱可以买到快乐，但前提是你得把钱花在别人身上。 - But seriously, these tricks will work only if you have at least the basics of English.
但是，说真的，这些窍门要想发挥作用，至少要有基本的英语能力。 - The placebo effect can be understood only if we acknowledge the unity of mind and body.
只有我们承认身心一体，安慰剂效果才能被理解。 - Syria will attend only if the negotiations deal with issues of substance.
只有在谈判涉及重大问题时叙利亚才会参加。 - This ensures that you save the new Hotel only if it doesn't already exist.
这确保了只在新Hotel还不存在时才保存它。 - Remember that the type is defined only if you use a location in the grammar!
记住，只有当您在文法中使用位置时才会定义类型。 - They can work more effectively only if the XOL package or other binary XML schema is applied.
如果应用了XOL包或其它二进制XML模式，这些标准会更高效。 - A partition is locked only if a reference is found.
只有发现了引用，分区才锁定。 - Missing join predicates, but only if a foreign key is defined.
丢失连接谓词，只在定义了外键的情况下。