They are so fragile, so ethereal, that it seems even the sound of the rivers might shatter them as they appear to drift like crystal smoke along the Banks.

它们有如烟雾般飘渺轻盈，似是沿着河岸飘去，却又脆弱得不堪一击，仿佛潺潺水声也能把它们震碎。

youdao

There was a drift of smoke above the trees.

树林上空飘浮着一股烟。

youdao

They all stood watching the coast drift away, the smoke rise.

NEWYORKER: Naima

The smoke that will drift out of the chapel's chimney early in the evening is likely to be black - meaning no pope has been elected.

BBC: Rome conclave: Cardinals begin voting for new Pope

San'ya has aged with its residents, old men with creased faces and missing teeth who squat and smoke on the pavements, drift from bar to bar, or sleep it off in the winter sun on cardboard and plastic matting.

ECONOMIST: Old, down and out in Japan