1. He said the major strategic and economic challenges obligate Israel to form a national unity government. 他说，以色列面临的主要策略及经济挑战需要以色列成立全国团结政府。
2. All the photosynthetic bacteria possess the capability in addition to various facultative aerobes and obligate anaerobes. 所有光合细菌加上各种兼性的好氧生物和绝对的厌氧生物具有这种能力。
3. Even if the relationship is formalized with the state in a marriage or union, that does not always obligate the employer to cover a same-sex spouse. 虽然正在通过立法改变这一现状，但是对于联邦雇员来说健康，没有规定来保证配偶保险受益。
英英解释
v.
1. force or compel somebody to do something
2. commit in order to fulfill an obligation
3. bind by an obligation; cause to be indebted adj.
1. restricted to a particular condition of life
