中英释义：
双语例句
提前候课。在预备铃响后必须到教室候课，做好课前准备。
Show up before the first ring bell and get ready for the classes.
重点词汇
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做好
do well; do a good job; ready
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准备
prepare; plan; intend; mount; formulate; work up; forearm; see about; gear up; set up; prime; brace; preparation; readiness; arrangement; provision; run-up; in readiness; prepared; ready; set; preparatory