Mr Aldersey-Williams bemoans the decline of classroom chemistry, and the rise of a culture in which experiments performed by teachers must be timed to coincide with the length of the lesson.

奥尔德-威廉姆斯[color=#0000ff]抱怨化学教学的倾斜以及一种文化的[color=#0000ff]兴起。 在这种文化中教师[color=#0000ff]做实验[color=#0000ff]的时间必须配合一节课的长度。

youdao

So it's really the upfront cost to move to this, in terms of classroom space and developing pedagogy, and buying us top experiments.

因此搬到这种教室，才是最主要的花费，其中包括教室空间设置，开发教学模式，购买高级实验设备等。

youdao

The classroom, we are conducting experiments - not a bad burn handkerchief. Handkerchief how bad it is not burning? Do not worry, listen to me with his right.

教室里，我们正在做实验——烧不坏的手帕。手帕怎么烧不坏呢？别着急，听我娓娓道来。

youdao

So it's really the upfront cost to move to this, in terms of classroom space and developing pedagogy, and buying us top experiments.

因此搬到这种教室,才是最主要的花费，其中包括教室空间设置,开发教学模式，购买高级实验设备等。

麻省理工公开课 - 媒体、教育、市场课程节选

The "open classroom" experiments of the 1960s and 1970s created a generation of students deficient in basic skills.

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