Approved materials
[化] 许用材料
🧩 词语组成解析
a. 被认可的；经过检验的
materials
[[mə'tiəriəlz]]
n. 材料；材料费；材料科学；材质（material的复数）
🗣️ 情景例句
Speaking of mother and of father
谈到孩子的爸， 孩子的妈，
Whom will you have lunch with?
你将和谁吃饭？
A temporary rudder was made on board from spare planks and it was fitted with great difficulty.
船员用备用的木板在船上赶制了一只应急用的舵，并克服重重困难将舵安装就位，