These bats can distinguish between the two, and not just with trees, but with any echo that comes in a smooth or rough shape.

这些蝙蝠能够区分这两种声音，不仅仅是通过树木的回声，而是通过任何平滑或粗糙的回声。

youdao

When climbing the hill, we not only got relaxed by enjoying the beauty of nature but also learned how to smooth away difficulties and help each other.

爬山过程中，我们不仅享受了大自然的美丽、放松身心，还学会了克服困难、互相帮助。

youdao

But the process of getting it is not always smooth.

但是得到水的过程并不总是那么顺利的。

youdao

But the process of getting it is not always smooth.

VOA: standard.2010.02.02

The tawny will be light in color, very aromatic but not fruity, smooth but with a very broad spectrum of flavors.

FORBES: Wine & Spirits

But all was not so smooth for the right-hander, who was called up Monday for the second game of a doubleheader in Cleveland.

WSJ: Hughes roughed up by Ibanez, Mariners

But the deal was not as smooth as aluminum siding, and Buffett had to work hard to clear the deal path.

FORBES: 4 Ways Buffett Overcomes Deal Bumps