✅ 同义词
🗣️ 情景例句
She majored in math and physics at university.
她在大学里主修数学和物理。
That's a bad idea if I've ever heard one!
你出这什么馊主意！
Mary and lizzy are organizing a large medical conference.
玛丽和莉齐正在组织一个大型的医学会议。