Mainstays
n. 支柱, 柱石（mainstay的复数形式）
🗣️ 情景例句
Aren't you a little scared?
难道你不会感到有点紧张吗？
Can she be a driver?
她可能是个司机吗？
Jim, could you help me, please? I want to get some books.
吉姆，你能帮我一下吗？我想拿些书。