only if
英 [ˈəʊnli ɪf]
美 [ˈoʊnli ɪf]
conj. 只有当
英英释义
adv
双语例句
- A partition is locked only if a reference is found.
只有发现了引用，分区才锁定。 - 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。 - 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。 - You can make progress only if you are modest.
惟虚心乃能进步。 - 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。 - 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。 - 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。 - 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。 - Marty finally agreed, but only if Fred would go there with him to give him courage.
马蒂最终同意了，但是要求佛瑞德和他一起去，给他鼓气。 - The meat market can continue only if it is radically overhauled to conform with strict European standards.
肉类市场只有经过彻底的大检查，严格遵守欧洲标准，才能继续营业。