Professionals
n. 专业人员（professional的复数）
🗣️ 情景例句
I think she has a stomachache.
我想她肚子痛。
He who lives by hope will die by hunger.
靠希望生活的人将饥饿而死。
For one thing they keep the water clean.
一来，水下植物可以保持水的清洁。