chalk talk

基本解释

The coach gave his team a chalk talk before the game.
教練在比賽前給隊員們連寫帶畫地講解了一番。
SINCE the beginning of mass education, schools have relied on what is known in educational circles as “chalk and talk”.
自從大衆教育興起以來，學校教育的主要方式一直是所謂的“粉筆和說教（注入式教育）“。
Instead of chalk and talk, children learn by doing—and do so in a way that tears up the usual subject-based curriculum altogether.
這樣再也不需要“筆頭和口頭”，孩子們通過實踐去學習，而且各種知識交織在一起，再也不用人爲的去把它們劃分開來。

It includes one hour of classroom instruction, video demonstrations and chalk talk, a half-hour track and vehicle orientation, lunch, and four and a half hours of track exercises in front and all-wheel-drive vehicles.
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And the only reliable way to make their case is, surely, to conduct a proper study, with children randomly allocated to teachers who use computers and teachers who use other methods, including the cheapest of all: chalk and talk.
ECONOMIST: Not helpful
Collaboration and communication help us understand the world around us better than simply sucking up information from one-way sources such as the textbook and chalk-and-talk teacher.
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an informal lecture with pertinent points, explanatory diagrams, etc, shown on a blackboard