וְאַ֤ף אֱלֹהִ֨ים ׀ עָ֘לָ֤ה בָהֶ֗ם וַֽ֭יַּהֲרֹג בְּמִשְׁמַנֵּיהֶ֑ם וּבַחוּרֵ֖י יִשְׂרָאֵ֣ל הִכְרִֽיעַ׃
上帝的怒氣就向他們上騰，殺了他們中間肥壯強健的人，使以色列的精選之士屈膝仆倒。
Rashi
and...the chosen of Israel The chosen of them and the men of the assembly, הָאסַפסוּף (Num. 11:4). They are the elders, as it is said (Num. 11:16): “Assemble (אספו) to Me, etc.”