Satco
萨特科铝合金
🗣️ 情景例句
This has been a hard course for me.
这门课对于我来说很难。
Would you please clarify your question?
请你把你的问题说清楚好吗？
Look at your clothes! Where have you been?
瞧你们的衣服！你们去哪儿了？