Unlike other trains which start with a shake and much noise, this train felt so smooth that if you were not looking out of windows, you could hardly tell we were moving.

不像其他火车启动时发出震动和噪音，这列火车感觉非常平稳，如果你不往窗外看，你几乎看不出我们在移动。

youdao

Ice cream is fun stuff — so cool, so smooth, so creamy!

冰淇淋真是个有趣的东西——冰凉爽滑、奶味十足！

youdao

The journey is so smooth that there is nothing to prevent you from reading or sleeping.

旅途平稳，丝毫不妨碍你阅读或睡眠。

youdao

Warhol used a very smooth painting method so the artwork almost did not look hand-made.

VOA: special.2010.09.05

They like to hear the music of a smooth voice and so on.

婴儿们喜欢听到拥有平缓声音的音乐等等

耶鲁公开课 - 心理学导论课程节选

So if there's any systematic bias going on in the way these things get graded it'll smooth itself out across the teaching fellows, so we'll have a fair grading system and things.

所以,如果在评分过程中,有任何系统性误差,都会由助教们尽量纠正过来,这样就有了公平的评分系统

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Though a rousing success story today, things were not so smooth at the beginning.

FORBES: STAR Bonds, Location Make Livestrong Sporting Park a Star Among U.S. Soccer Stadiums

More likely, both men will be so smooth and well-rehearsed that they will put voters to sleep.

ECONOMIST: TV debates

Romney's personality is appropriate to the task because it's so smooth and calming.

CNN: Why Romney is stronger than he seems