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
Robbie's right.
Robbie说对了。
I think it's going to take at least 2 days.
我认为它将花至少两天时间。
He can't make it today. He has to stay at home.
他今天不行了。他得呆在家里。