Mainstays
n. 支柱, 柱石（mainstay的复数形式）
🗣️ 情景例句
Robbie, will you help me serve? Robbie
你能帮帮我吗？
He who has health, has hope, and he who has hope, everything.
身体好就有希望，有希望就有一切。
Are these English books?
这些是英语书吗？