我們已採取必要的防火措施英文怎麼說？

We have taken necessary precautions against fire.

體弱是過度勞累的必然結果英文怎麼說？

Poor health is a necessary result of over-exertion.

制定一整套應急措施是非常必要的英文怎麼說？

It is highly necessary to work out an emergency package.

預防即將來臨的颱風的危險很有必要英文怎麼說？

It is highly necessary to secure against the dangers of the coming typhoon.

有必要弄清他的品德和觀點英文怎麼說？

The ascertainment of his character and views seemed to be necessary.

誠實的鼓動者對解決某些社會問題是必要的英文怎麼說？

Honest agitators are necessary to the solution of some social problem.

家庭作業是課堂教學的必要補充英文怎麼說？

Homework is a necessary complement to classroom study.

輸血前測定病人的血型是絕對必要的英文怎麼說？

It is absolutely necessary to type the patient's blood before a blood transfusion.

如果必要,你可用這些參考書英文怎麼說？

You can use these reference books, if necessary.

有時需要改變原先制定的那些政策英文怎麼說？

Sometimes it is necessary to trim those policies.