Reserved materials
[经] 保留材料, 后备材料
🧩 词语组成解析
reserved
[ri'zə:vd]
adj. 预订的;矜持的;储藏着的;
v. 保留[储备]某物( reserve的过去式);
materials
[[mə'tiəriəlz]]
n. 材料；材料费；材料科学；材质（material的复数）
🗣️ 情景例句
I couldn't help laughing.
我忍不住笑出来。
Wisdom is a good purchase though we pay dear for it.
我们为了求知识，付出高价也值得。
Oh, dear. I forgot to tell you. Would you like to come?
哎唷。我忘了告诉你。你愿意来吗？