英语语法分析

Let's not protract the debate any further.

我们不要再继续争论下去了。

Their guest did not protract his stay that evening above an hour longer.

那天晚上他们的客人逗留不到一个钟头。

Using this method, we can protract vector analysis atlas of planetary gear drive mechanism.

应用此方法，可定性地绘制出行星齿轮传动机构速度分析图谱。