🧩 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;
n. 水芹
🗣️ 情景例句
Hi.
嗨
For those of you that didn't hear it, the question was how soon we could expect the product to be on sale.
你们并未听说过，问题是产品多快能上市。
It was an important part of Native American's existence.
野牛是美洲土著人赖以生活的重要部分。