My chemistry teacher Mrs. Louise usually gave us the instruction paper the night before the lab class and let us read it.
我的化学老师路易丝夫人通常在实验课的前一天晚上给我们说明书，让我们阅读。
My chemistry teacher Mrs. Louise usually gave us the instruction paper the night before the lab class and let us read it.
我的化学老师路易丝夫人通常在实验课的前一天晚上给我们说明书，让我们阅读。
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