The scientists took samples from nearly 200 old canvases or canvas linings from the 19th and 20th centuries.

科学家从19和20世纪将近200块古画布或者帆布衬里取样。

Marie took with her to the convent, under the canvas lining of her trunk, the results of a laborious and satisfying morning on Frank's part; no less than a dozen photographs of himself, taken in a dozen different love-lorn attitudes.

玛丽带着她去了修道院，在她行李箱的帆布衬里下，弗兰克辛苦而令人满意的早晨的成果。不少于十几张他自己的照片，以十几种不同的失恋态度拍摄。