Radio active : তেজস্ক্রিয়;
Related Words
radio active  radio activity  radio-activity  radioactive  radioactivity  See Words Also In
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Appropriate Prepositions
Associate with, in(জড়িত হওয়া): This man was associated with crime.
Convenient to(সুবিধাজনক): The work is convenient to your nature.
Enter into (আলোচনা করতে আরম্ভ করা): Let’s not enter into details at this stage.
Genius for (দক্ষতা): Nazrul had a genius for convincing girls.
Monument to (স্মৃতিসৌধ): The monument to your right is a popular tourist attraction.
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Idioms
At all (in the least degree – মোটেও না) There is no water at all in the pond.
Hue and cry (শোরগোল): The villagers raised a hue and cry to see the thief.
Out of date (সেকেলে): This fashion is out of date.
Show good manner (ভালো আচরণ প্রদর্শন ): You should show good manner in the company of young ladies.
To the point (সঠিক) - The boy answered the question to the point.