"grade"的含义及西班牙语（西班牙）翻译
grade
grado
a year level in a school system
noun
例句:
• She is in the fifth grade.
• He moved to a new school at the start of third grade.
calificación
a mark indicating the quality of a student's work
noun
例句:
• She got a good grade on her essay.
• His grades improved significantly this semester.