Simatic
硅镁质
🗣️ 情景例句
He never married because
他不结婚是因为
I have been told you have just changed the interest rate on savings accounts. Is that true?
听说你们储蓄率刚调过，是真的吗？
Can you ring up the bus company?
你能给汽车公司打个电话吗？