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[Subject: Physical & Theoretical Chemistry]
Translated by: RHISIART HINCKS
Translated in 10 languages
- Dernyn bychan o dywod, o lwch etc.
Translated in 5 languages
- Yn ffigurol: mymryn bychan bach, e.g. 'Heb ronyn o synnwyr'
Translated in 3 languages