✅ 同义词
🗣️ 情景例句
I did my thesis on Sino-American Business Relationship.
我做的论文题目是中美贸易关系。
I'll be ready in a few minutes.
再过几分钟就好了。
Gradually the river grows wider, the banks recede,
然后河面渐渐地变宽，两岸后撤，