Certain artifacts are especially vulnerable because some pioneers in plastic art didn't always know how to mix ingredients properly, says Thea van Oosten, a polymer chemist who, until retiring a few years ago, worked for decades at the Cultural Heritage Agency of the Netherlands.
某些文物尤其脆弱，因为一些塑料艺术的先驱者并不总是懂得如何正确地混合原料，荷兰文化 heritage 机构的聚合物化学家 Thea van Oosten 说，她几年前退休前一直在该机构工作了数十年。
Van Oosten calls those chemicals "sunscreens" because their goal was to prevent further light damage and rebuild worn polymer fibers.
范·奥斯特恩将这些化学物质称为"防晒霜"，因为它们的目标是防止进一步的光照损害并修复磨损的聚合物纤维。
例句取自历年考研英语真题，翻译为机器生成，仅供学习参考。