工程师每年都要校准这台精密仪器。
The engineer ___calibrates this precision instrument every year.
工程师校准了机器的设置以确保产品质量一致。
The engineer ___calibrates the machine settings to ensure consistent product quality.
老师根据学生的学习情况调整教学进度。
The teacher ___calibrates the teaching pace according to students' learning progress.