Aluminothermic
加铝热剂的
🗣️ 情景例句
I'll help.
我也来帮忙。
Do you think the doctor could see me tomorrow before 9:30?
你看医生在明天9:30前能给我看病吗？
What was the population of the more developed countries in 1950?
1950年较发达国家的人口是多少？