✅ 同义词
🔴 反义词
🗣️ 情景例句
What classes are mandatory for your major?
你的专业什么课是必修的？
I can't tell you how happy this makes me.
我形容不出来我有多高兴。
In the afternoon, classes are over at 3:30, and I get home at about 4:00.
下午三点半下课，我大概四点到家。