试听课 英语怎么说

试听课（shì tīng kè）是指课程试听，就是学生或者家长可以试听一节课，以便了解老师的教学水平和课程内容。这个词来源于英语 "trial lesson"，是由 "trial" 和 "lesson" 两个词组成的。
例句：
我们学校提供免费试听课，欢迎家长和学生来体验。
我家孩子上周参加了英语试听课，教师很专业，所以我们决定报名。
翻译：
Our school offers free trial lessons, and parents and students are welcome to come and experience it.
My child attended an English trial lesson last week, and the teacher was very professional, so we decided to enroll.