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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。
- A fresh coat of paint can transform a room. 房间重新粉刷一遍可大为改观。
- 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。
- obligatory transformation 强制的转换
- obligatory transformation rule 必须转换规则
- 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。
- The transformation of that project has been finished. 那个项目的改造已经完成。
- 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。
- There was a noticeable transformation in his appearance. 他的容貌有了明显的变化。
- 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。
- Susceptible to transformation by growth and development. 能随成长而变形的对成长和发展的变化敏感的
- Decomposition or transformation of a compound caused by heat. 热解化用，高温分解由于热量而导致的化合物的分解或转化
- Is it obligatory on us to help the poor ? 我们有义务帮助穷人吗?
- Attendance at tonight's meeting is obligatory. 今晚的会必须出席。
