only if

英 [ˈəʊnli ɪf]

美 [ˈoʊnli ɪf]

conj. 只有当

英英释义

adv

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。
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。
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。
But only if you bring in the right people.
但前提是要招对人。
Please make the changes only if no-one has modified the record since I read it.
请仅在从我读取该记录后没有人进行修改的情况下进行更改。
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。
Use it only if you must have its features or if you want to contribute to Samba development.
如果您一定要试用其功能或者想要帮助Samba开发，可以使用它。
Political attacks work only if they find an echo with voters.
政治攻击只有在选民中引起共鸣才会有作用。
But only if we ask the right questions.
但我们必须要问到点子上。