Reef knot : রিফের গ্রন্থি;
Related Words
reef knot  reef-knot  See Words Also In
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Appropriate Prepositions
Concentrate on(কেন্দ্রীভূত করা): Try to concentrate your attention on your studies.
Decide upon (সিদ্ধান্ত করা): We have not yet decided whether we are going to picnic.
Feed with (কোনো কিছু খাওয়া): They feed the cow with grass.
Identical with (একই ধরণের): You are identical with your sister.
Stare at (চাওয়া বা তাকানো): He stares at me.
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Idioms
Give one’s right arm (বিপদের ঝুকি নেয়া): I will give my right arm if I could manage the tickets.
In lieu of (পরিবর্তে): Give me this pen in lieu of that.
Part and parcel (অবিচ্ছেদ্য অংশ): Education is part and parcel to build a civilized nation.
Seventh heaven – (মহাখুশী) – I was in the seventh heaven when I heard the news of my BCS final result.
To the brim (কানায় কানায়) - The river was full to the brim.