英语语法分析

Each unit is constructed from a ribbed timber frame set upon Douglas fir stilts and then clad in English chestnut shingles.

每个单元均由肋木框架构筑而成，框架固定在花旗松高跷上，然后覆以英国栗木。

Qualified tomatoes may come in one of four varieties: round, ribbed, oblong or elongated and cocktail tomatoes.

合格的西红柿包括四大品种：圆形、伞拱形、椭圆形或细长形的，以及鸡尾酒西红柿。

Let us go back again for a moment to the year 1945 and rejoin Chiang Kai-shek in his rock-ribbed refuge at Chungking.

让我们再用一点时间回顾一下一九四五年，当时蒋介右避居在山城重庆。