About unapproved sentences

You may see some sentences in red. These sentences are not approved by Tatoeba's community. They raise copyright issues or are otherwise problematic. If you are a contributor, please avoid translating them.


- date unknown
He is working in the field of biology.
- date unknown
linked to 103187
- date unknown
linked to 132771
Pharamp - Jun 5th 2010, 22:14
linked to 399828
ChickenKiev - Sep 6th 2010, 06:54
linked to 500631
ChickenKiev - Sep 6th 2010, 06:54
linked to 500632
alexmarcelo - May 25th 2011, 02:58
linked to 907608
martinod - Aug 31st 2011, 15:28
linked to 642651
duran - Jul 23rd 2012, 13:34
linked to 1719393

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Sentence #300506

He is working in the field of biology.

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