only if

英 [ˈəʊnli ɪf]

美 [ˈoʊnli ɪf]

conj. 只有当

英英释义

adv

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。
The medicine works only if taken for a long time.
此药久服方见功。
China can physically raise production, but that will sustain growth only if China can sell the extra products.
中国可以提高产出，但是只有在中国能够卖出额外产出的情况下，这种增长才是可持续的。
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。
One can grasp a foreign language only if he studies hard.
唯有努力学习，才能掌握外语。
A partition is locked only if a reference is found.
只有发现了引用，分区才锁定。
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。
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。
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。
The latter will work only if you are on the same network as the WPAR manager.
仅当您处在与WPAR管理器相同的网络中时，后面一种方法才能正常工作。