Mastology
乳腺学
🗣️ 情景例句
and how hard it is
他还说这件事很难
Never think yourself above business.
勿自视过高；不要眼高手低；永远不要认为自己是大才小用。
It's a pleasure to meet you. Can I take those boxes for you?
很高兴认识您。我能帮您拿那些箱子吗？