Foundation stone
基石, 基础, 根源
🧩 词语组成解析
stone
[ston]
n. 石头;宝石;矿石;（膀胱或肾脏中的）结石;
vt. 向扔石块;用石头铺;以石掷向;除（水果的）硬核;
adj. 石制的;石头似的;[S-]石器时代的;粗陶制的;
adv. 石一般的;
🗣️ 情景例句
Do have some more, there's plenty left.
多吃一点，还有很多呢！
From across the room, David cast a glance at his brother.
隔着房间，大卫瞥了一下弟弟。
Very strange. It was my first earthquake, you see, and I didn't know what was happening.
很奇怪。那是我第一次经历地震，你瞧，我当时还不知道发生了什么事。