当老师讲话时
When the teacher speaks
以上为机器翻译结果，长、整句建议使用 人工翻译 。
首先，当老师讲话时对我来说明白她说的什么是不容易的。
First I of all, it was't easy for me to understand the teacher when she talked.
youdao
当老师或同学在讲话时，我专注倾听。
I will listen when my teachers or classmates are speaking.
“ 当他听到老师的讲话时，心想\”我应当认真学习。
When he heard what the teacher said, he said to himself, "I should study hard."
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