Redstone
n. 赤砂岩；红石导弹
🗣️ 情景例句
I'm late for dinner at my house.
我回家吃晚饭要迟到了。
Waste of time is the most extravagant and costly of all expenses.
浪费时间是一切花费中最奢侈豪华的费用。
My name is Wu Jun. This is our first lesson, so I don't know all your names.
我叫吴军。这是我们第一次上课，所以我认不全你们的名字。