试题题干
Translate the following sentence into Chinese.
One experiment is to put a film of gelatin over a pigeon's eyes to blur its vision.
参考答案
试题解析
考点：experiment实验；put a film of gelatin蒙上一层薄薄的凝胶；blur its vision模糊其视线。
句子结构：主语为One experiment，系动词is，表语为to put a film of gelatin over a pigeon's eyes to blur its vision.