Waterfall model
[计] 瀑布模型
🧩 词语组成解析
🗣️ 情景例句
My mother is terrific at any kind of sewing.
我母亲做任何针线活都棒极了。
This restaurant serves spaghetti, but not pizza.
这家餐厅做通心粉，但是没有比萨饼。
It is not only of immense size, but is extremely accurate as well.
此钟不仅外型巨大，而且走时也非常准确。