您要查找的是不是：
- 必须/不必按这个需求做吗?（这个要求是/不是强制性的吗?）Is/Isn't the requirement compulsory/obligatory?
- 由于气象是一门科学,一个好的背景,在数学和自然科学是强制性的。Because meteorology is a science, a good background in mathematics and the sciences is mandatory.
- 有些成人上学是为了获取学位，有些就是为了多学点知识和技能。Some adult students attend classes to earn degrees,others take courses for the knowledge and skills that they can receive.
- 对多数孩子来说，上学是每天都要做的事。School is an everyday event for most children.
- 配额通常是强制性的，对任何超过限额的交易有具体的法律处罚措施。Usually quotas are compulsory ,with specific legal penalties for any trade beyond the quotas.
- 我在这所学校上学是因为我能见到许多漂亮的姑娘。And the reason why I go to this school is that I can see lotta pretty girls.
- 上学to go to school
- 以前,我觉得上学很无聊。以前,我知道上学是一种折磨。现在,我知道上学是一个值得珍视的特权。Before, I thought school was boring. Before, I complained it was torture. Now I know it's a privilege to be valued.
- 工具部件的混合和配对之需求将是强制性的。The need to mix and match tool components will become mandatory.
- 强制性coerciveness
- 随着经济迅速发展，中国在国际舞台上的地位变得愈来愈重要了。With the rapid economical development, China's position on the international stage is getting more and more important.
- 强制性的compellent
- "... 我要用利剑一样的话刺痛她的心，但决不是真用利剑 ... ""... I will speak daggers to her, but use none ... " (Shakespeare, Hamlet)
- 领航在香港水域是强制性的。Pilotage is compulsory in Hong Kong waters.
- "可是对你来说这是一桩大事啊。" "什么大事不大事的！我担心什么？""But it's a serious matter for you." "Serious my foot, why should I worry?"
- 但是，就国旗而言，这种相互通知并不是强制性的。Nevertheless such communication is not obligatory in respect of flags of States.
- 我承认他年老体衰，然而尽管如此，他仍是优秀的政治家。I accept that he's old and frail; be that as it may, he's still a good politician.
- 这项汽车保险是强制性的。The car insurance is compulsory.
- 霍默的妈妈说如果他上学再迟到，她就要严厉地处罚他。Homer's mother said she would have his hide if he was late to school again.
- 如果可以的话，我想纠正一下您说的话：在我国，在职培训是依法必须进行的。If I may, I'd like to correct something you said: in my country, in-service training is compulsory by law.
