立彬の日本語
156--[tbd]
黒点, こくてん
1. black spot, dark spot 2. sunspot
tbd
more...           more words...
今の太陽の活動は低調ですが、それでも時々大きな黒点が現れます。
tbd
The sun is currently in a period of low activity but even so large sunspots occasionally appear.
[More...]
太陽の黒点を観察しよう。
tbd
Let's observe sunspots.
[More...]
今日の太陽には小さな黒点が浮かんでいる。
tbd
There's a little black spot on the sun today.
[More...]