וַיֹּאמֶר֩ לָ֨ה בֹ֜עַז לְעֵ֣ת הָאֹ֗כֶל גֹּ֤שִֽׁי הֲלֹם֙ וְאָכַ֣לְתְּ מִן־הַלֶּ֔חֶם וְטָבַ֥לְתְּ פִּתֵּ֖ךְ בַּחֹ֑מֶץ וַתֵּ֙שֶׁב֙ מִצַּ֣ד הַקּֽוֹצְרִ֔ים וַיִּצְבָּט־לָ֣הּ קָלִ֔י וַתֹּ֥אכַל וַתִּשְׂבַּ֖ע וַתֹּתַֽר׃
到了吃飯的時候,波阿斯對她說:«你到這裡來,吃些餅,把你的餅塊蘸在醋裡。»她就坐在收割的人旁邊;他把烘過的穀粒遞給她,她吃飽了,還有剩餘。
Rashi
And dip your bread in the vinegar. From here [we derive] that vinegar is good for the heat.12Maseches Shabbos 113b. It is a popular and refreshing drink for those who toil in extremely hot climates.
Rashi
And he handed her some roasted grain. And he extended to her. There is no similar [word] in Scripture, but only in the language of the Mishnah, “the outside, the inside and the handle [= בֵית הַצְּבִיטָה.”13Maseches Chagigah 3:1.