Performs
v. 执行；表演（perform的第三人称单数形式）
🗣️ 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。
A plant may produce new flowers; man is young but once.
花有重开日，人无再少年。
If no other sate water supply can be obtained,
如果没有其他安全的饮用水，