And tighten your belt. Your pants are coming, down.

“束紧皮带。你的裤子要掉下来了。”

My waist isn't as cinched as it could have been in that scene.

的那个场景那样被束紧。

I'm zipped up, I'm cinched in the right places.

拉上了拉链， 被束紧在正确的地方。

And then we get for an objective and quantitative estimation of bunch compactness.

然得到对束紧密度的客观和定量估计。

She did not wear the prison coat, but a white waist, tightly belted, and rising high above the breast.

她没有穿囚衣， 而是一束雪白的， 束紧带，高高举过胸膛。

We could just say for estimating bunch compactness and then we could say rather than that was useful for intervarietal studies of this trait.

只能说用于估计束紧密度，然可以说而是这对该性状的品种间研究很有用。