在国外留学见到外教时，可以简单、礼貌地表达自己，以下是一些建议的用语：
简单介绍自己
"Good morning/afternoon/evening, my name is [Your Name], and I'm very pleased to meet you."
"Nice to meet you, I'm [Your Name], I'm studying [Your Major]."
表达学习目标和期望
"I'm really looking forward to studying under your guidance and learning more about [specific topic or field]."
"I hope to achieve [a specific goal] through my studies with you."
展示积极态度
"I'm very excited about this opportunity to work with you."
"I believe your expertise will greatly benefit my academic journey."
感谢和期待
"Thank you for taking the time to meet with me."
"I'm looking forward to our classes and learning together."
示例对话：
外教：Good morning, I'm Professor Smith. It's a pleasure to meet you.
你：Good morning, Professor Smith. I'm [Your Name], and I'm thrilled to be your student. I'm particularly interested in [Your Field of Study] and I hope to gain a deeper understanding of this subject under your guidance.
注意事项：
礼貌用语：始终使用礼貌的语言，如 "please", "thank you", "I'm sorry" 等。
简洁明了：初次见面时，尽量保持简洁，避免冗长的自我介绍。
自信表达：尽管可能会有些紧张，但自信地表达自己的想法和目标是至关重要的。
准备充分：提前准备一些关于自己学习目标和背景的内容，以便在见面时能够流畅地交流。
通过这些建议，你可以自信、礼貌地与外教建立良好的第一印象，并为后续的学习打下坚实的基础。