YOU SAID:
They’re using dry ice to keep blood samples frozen
INTO JAPANESE
彼らは血液サンプルを凍らせ続けるためにドライアイスを使っています
BACK INTO ENGLISH
They use dry ice to keep their blood samples frozen
INTO JAPANESE
彼らは彼らの血液サンプルを凍らせ続けるためにドライアイスを使います
BACK INTO ENGLISH
They use dry ice to keep their blood samples frozen
That didn't even make that much sense in English.