Stepping stone
n. 垫脚石, 跳板
🧩 词语组成解析
[计] 步进式, 改变
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
And good luck! I've got to go.
祝你好运 我得走了。
I know he will be able to find way there.
我知道他会找到那里的路。
I have just received a letter from my old school, informing me that my former headmaster,
我刚刚收到母校的一封信，通知我说以前的校长