audio example by a male speaker
audio example by a female speaker
the above transcription of serum is a detailed (narrow) transcription according to the rules of the International Phonetic Association; you can find a description of each symbol by clicking the phoneme buttons in the secction below.
press buttons with phonetic symbols to learn how to precisely pronounce each sound of serum
press the "test" button to check how closely you can replicate the pitch of a native speaker in your pronunciation of serum
An example use of serum in a speech by a native speaker of british english:
“… than it is in serum so these are the …”
Serum is a fluid that circulates in the blood and helps to carry nutrients and oxygen to the cells.
the word serum occurs in english on average 13.2 times per one million words; this frequency warrants it to be in the study list for C1 level of language mastery according to CEFR, the Common European Framework of Reference.
it is hard to perfectly classify words into specific topics since each word can have many context of its use, but our machine-learning models believe that serum can be often used in the following areas:
1) food and health;
2) life, nature, and living environment;