S4C
Ein Byd Bach...
– 07:00
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S4C ·
Ein Byd Bach...
Sign in to favourite this programme– 11:00 UK time
Ein thema ni y tro hyn yw , Oer. Byddwn yn dysgu mwy am eira a sut mae'n ffurfio, a ble yn y byd sy'n cael lot fawr o eira. We'll learn more about snow and how and where it's formed.
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