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- Be not a visit to Mr. George obligatory? 是不是必须我拜访乔治先生？
- Attendance at school is obligatory. 上学是强制性的。
- obligatory classification 强制性分类, 义务性分类
- It is obligatory upon us to protect the world from nuclear war. 保护世界免於核子战争是我们的义务。
- It is helpful to begin with a rough and ready classification. 首先进行粗略的分类是很有帮助的。
- There is a hierarchy in the classification of all living creatures. 一切生物均可按等级分类。
- Is this business trip obligatory? 这次出差是不是规定的？
- I think compulsory education is obligatory. 我认为义务教育制是必须履行的。
- Be it obligatory on us to help the poor? 我们有义务帮助穷人吗?
- Is it obligatory on us to help the poor? 我们有义务帮助穷人吗?
- Attendance at primary school is obligatory. 上小学是义务的。
- The press conferences were almost obligatory. 这些新闻会议是不得已的。
- Inverse agonist is a new type of classification. 摘要反向激动剂指一种新分类概念。
- It is obligatory for us to obey the laws. 我们必须守法。
- I think abiding by the law is obligatory . 我认为遵守法规是必须履行的义务。
- One who assigns names, as in scientific classification. 命名者命名的人。如在科学分类中
- These all belong in a different classification. 所有这些都属于不同的类别。
- Is it obligatory on us to help the poor ? 我们有义务帮助穷人吗?
- This kind of classification is not exhaustive. 这种分类法并不是包罗无遗的。
- Attendance at tonight's meeting is obligatory. 今晚的会必须出席。
