Many valley theory
[计] 多谷理论
🧩 词语组成解析
many
['mɛni]
adj. 许多，多的;
pron. （与复数动词连用）大多数人;
valley
['væli]
n. 山谷，溪谷，峡谷，谷地，深谷;流域;[建筑]屋顶排水沟，屋面斜沟;
🗣️ 情景例句
Well, first, you have to turn your hat around like this.
首先 ，你得把你的帽子转一下 ，像这样。
He often plays cards.
他常常玩扑克牌。
So he had gone to the stores and had obtained a fixture that fitted both the tap on the supply line and the end of the air-line.
所以他就到仓库找到一个既适合供应管也适合供气管的接头。