He looked at me and nodded, almost invisibly.

他看着我点了点头，几乎让人看不出来。

《牛津词典》

A thin coil of smoke rose almost invisibly into the sharp, bright sky.

一缕轻烟几乎不见踪迹地升上了耀眼的晴空。

《柯林斯英汉双解大词典》

Space travel can be so delightful but at the same time invisibly dangerous.

太空旅行是如此令人愉快，但同时又存在无形的危险。

youdao

Robbins works smoothly and invisibly, with a diffident charm that belies his talent for larceny.

NEWYORKER: A Pickpocket��s Tale

In the popular mind they became huge beasts, invisibly inhabiting any murky stretch of water.

ECONOMIST: John Thorbjarnarson

But most of the action, unlike the IBM PR stunt, will take place invisibly in The Cloud.

FORBES: IBM's Watson Jeopardy Stunt Unleashes a Third Great Cycle in Computing