Simatic
硅镁质
🗣️ 情景例句
It's not the same, Richard.
那是不一样的， Richard。
He has bought 10 tractors for the village.
他为村里买了10台拖拉机。
a flight attendant told us to keep calm and to get off the plane quietly as soon as it had touched down.
一位空中乘务员告诉我们要保持镇静，待飞机一着陆，就马上不声不响地离开飞机。