before eating

基本解释

She rinsed her hands quickly before eating.
她喫東西以前很快洗了一下手。
Even if you buy the “pre-washed” salad mixes in bags, ALWAYS wash before eating!
即使你買的袋裝“預洗”沙拉，在喫之前也務必進行清洗！
If you buy fruit canned in syrup, rinse it before eating. - We do this one as well.
如果你買的是帶糖漿的罐裝水果，在喫之前先用水洗一下，我們縂是這樣做的。

Before eating the last slice, you could check with your friends to make sure it's alright for you to delve in.
在伸手拿最後那片披薩前，你可以跟你的朋友確認下，你喫完最後一片有沒有關系。
Is it okay 課堂 - SpeakingMax英語口語達人
Carbohydrate has really shifted, and so people are eating more calories from carbohydrate before, sugars primarily, and that is coming primarily from added sugar, or that's at least one of the primary contributors.
碳水化郃物也有明顯的變化,比前人更多的從碳水化郃物中攝取熱量,以糖類爲主,也就是說主要是添加糖類的食物,至少這是主要的來源之一
耶魯公開課 - 關於食物的心理學、生物學和政治學課程節選
Expire Okay, that's a very interesting issue about the--the response was that because the--other food might expire quickly and so that's true; if you're eating things like fruits and vegetables, they only have a certain amount of life before they go bad.
保質期長,這是個很有趣的問題,因爲其他食物可能很快就變質了,這也是個原因,如果你喫蔬菜水果的話,它們都有一定的保質期
耶魯公開課 - 關於食物的心理學、生物學和政治學課程節選

If you are offered a roll, break it in pieces and butter each piece individually just before eating it.
FORBES: Essential Guide To The Business Lunch