Caution! The site can't guarantee, that text has age permission. The site is not recommended, if you are less than 18 years old.
The site shows example sentences for English words. How the word or phrase could be used in a sentence?
" ... The company said it was also, in parallel, evaluating “additional mRNA candidates against emerging” variants of the virus, as well as working on enabling the product to be stable at routine refrigerator temperatures (in order to remain stable, Moderna and Pfizer’s vaccines must be kept at ultracold temperatures). ... "