Translation of "Savanna" in Japanese

Gathering clouds plunge the savanna back into darkness.

‎雲が月を隠し ‎サバンナが闇に包まれる

On the African savanna, the moon is almost at its darkest.

‎アフリカのサバンナは ‎まもなく新月を迎える

On the open plains, each night brings a different challenge. The African savanna is getting darker.

‎平原では毎晩 ‎違う困難が待ち受ける ‎アフリカのサバンナが ‎闇に包まれる