Teachers often chaperon their classes on field trips.

在野外郊游时老师常看护着班的学生。

Advanced Study of the psalmody, hymnody, and worship traditions of the Church, practical exercises in the use of the hymn, planning and conducting various types of services, and field trips.

研究教在的崇形态中教领袖如何培养崇来运用圣诗、计划和主持各种的聚。