וַיִּ֣ירְשׁ֔וּ אֵ֖ת כָּל־גְּב֣וּל הָאֱמֹרִ֑י מֵֽאַרְנוֹן֙ וְעַד־הַיַּבֹּ֔ק וּמִן־הַמִּדְבָּ֖ר וְעַד־הַיַּרְדֵּֽן׃
他們佔領了亞摩利人的全境，從亞嫩谷直到雅博河，從曠野直到約旦河。
Rashi
They took possession, etc., from Arnon to the Yabok. Which you claim as yours, they annexed from Sichon.
Rashi
From the wilderness to the Yardein. There was a wilderness area adjoining the Yardein.