✅ 同义词
🗣️ 情景例句
Is it all right if I use my credit card?
如果我使用信用卡行吗？
How well do you know French?
你法语好吗？
but each year, the dogs are still sent out into the snow whenever a traveller is in difficulty.
但每年还要派狗到雪山地里去帮助那些遇到困难的旅游者，