Black stain : কালচিটে; কালচিটা;
Related Words
ballasting  black stain  blasting  block stone  blockading  See Words Also In
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Appropriate Prepositions
Ascend to (আরোহণ করা): karim began to ascend to the surface of wakefulness.
Compensate for(ক্ষতিপূরণ করা): I will compensate him for the loss.
Deal in (কোনো কিছুর ব্যবসা করা): They deal in green vegetables.
Depend on (নির্ভর করা): Presently, the students depend on/upon guide books.
Die of (রোগে মরা): Many people died of cholera.
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Idioms
At dead of night (গভীর রাতে) The police caught the thief at dead of night.
Get rid of (মুক্তি পাওয়া): Try to get rid of the rogue.
Gain Ground (সুবিধা পাওয়া): The wise are said to gain the ground in the long run.
Set free (মুক্ত করা): The prisoners were set free.
To the letter (in all details, অক্ষরে অক্ষরে) —Follow my advice to the letter.