Sensitimeter
感光器
🗣️ 情景例句
He goes to high school.
他在上高中。
Last year, he applied to Harvard University for a scholarship and succeeded in passing a difficult examination.
去年，他向哈佛大学申请奖学金并通过了一个很难的考试。
he identifies himself with its centre of gravity, its mass, its weight;
他把自身和物体重心、质量、重量融为一体。