Invisibly

(adv.) without being seen; 'these organisms enter the body invisibly'.

格雷琴编辑

• To bring out the image thus invisibly impressed, the plate was exposed to the vapour of mercury, in a closed box. 弗雷德里克·科利尔·贝克维尔. 伟大的事实.
• It seems as if I had been pioneered invisibly, as if some dissolving force had gone before me: for myself, I have scarce made an effort. 夏洛蒂·勃朗特. 维莱特.

校对:马里恩