他低下头看报纸,不赞成地摇了摇头.He looked down at his paper and shook his head negatively.她不赞成地噘起了嘴巴.She pursed up her lips in disapproval.看到霍华德?加德纳非常赞成地援引他的这番话,或许并不令人惊讶.Perhaps it is not surprising to see Howard Gardner quoting him ap...
Carotenes are insoluble in water and soluble in oils and fats.胡萝卜素不溶于水，但可溶于油类和脂肪。There are over 600 known carotenoids ; they are split into two classes, xanthophylls and carotenes.有超过600种已知的类胡萝卜素,可以分为两类:叶黄素和胡萝卜素....