高三英语中“抱佛脚”的说法是 cram for the exam或 cramming。这些表达都指在考试前临时突击学习大量知识，以应对考试，形象地描述了“临时抱佛脚”的行为。例如：

1. Don't cram for the exam.

2. I need to cram for my final exams.

3. There was such a cram in the study room before the exam.