Shelf life
保存期限\\n[化] 存放期
🧩 词语组成解析
shelf
[ʃɛlf]
n. 架子，搁板;棚;沙洲，暗礁;格，层;
life
[laɪf]
n. 生活，生计;生命，性命;一生，寿命;人生，尘世;
🗣️ 情景例句
He was carrying his son on his shoulders.l
他让儿子骑在肩上。
It's $30.00 one way or $55.00 round trip.
单程票价30美元，来回票价55美元。
I would like to ask you a favor.
我可以提出一个要求吗？