Test-tube : রাসায়নিক পরীক্ষায় ব্যবহৃত একমুখ খোলা কাচের নল;
Related Words
test tube  test tube baby  test-tube  test-tube baby  See Words Also In
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Appropriate Prepositions
Attention to(মনোযোগ): He has no attention to his studies.
Based on(প্রতিষ্ঠিত, ভিত্তিক): His information is not based on the correct information.
Change into (পরিবর্তিত হওয়া): At what point does boiling water change into vapor.
Contemporary of (সমসাময়িক): William Wordsworth was a contemporary for greater efficiency.
Decide upon (সিদ্ধান্ত করা): We have not yet decided whether we are going to picnic.
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Idioms
Bring to book (reproach-Start- ভর্ৎসনা করা) The father brought his son to book for his failure in the exam.
Let loose (বল্গাহীনভাবে ছেড়ে দেয়া): He let his horse loose in the field.
Man of straw (অপদার্থ): We do not care for a man of straw like you.
Take into account (বিবেচনা করা): Your activities should be taken into account.
To the backbone (to the core, হাড়ে হাড়ে) —The boy is wicked to the backbone.