Silit
碳硅电阻材料
🗣️ 情景例句
He's planning a get-together
他计划办一个聚会
Don't forget to write to let us know you arrived safely.
不要忘记写信回来，告诉我们你已经安全抵达。
Your Chinese is really surprising.
你的中文令人惊讶。