Stacks
n. 堆叠；进程堆栈应用；书库（stack的复数）
🗣️ 情景例句
Maybe Lillian will be at the reunion.
或许Lillian也会参加聚会。
Is the coastal plain good for farming?
沿海的平原对耕作有好处吗？
OK! Is it straight?
好的！立直了吗？