Economet
艾康诺梅特铬镍钢, 镍铬铁合金
🗣️ 情景例句
Why do you consider yourself qualified for this job?
为何你认为你自己符合这职位的资格？
My friend spent his childhood in California .
我的朋友在加利福尼亚度过了他的童年。
For one thing they keep the water clean.
一来，水下植物可以保持水的清洁。