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
Don't go anyplace unsafe.
别去那些不安全的地方。
I hope you'll be well soon.
祝你早日恢复健康。
She stood three feet high and her hands rested on her hips.
她身高3英尺，双手叉腰。