If you've ever watched a construction worker in Shanghai swing a bamboo-handled sledge hammer, you know. Bamboo is tough.

如果你看到过上海的建筑工人挥舞着竹子手柄的大锤，你就知道，竹子是很结实的，而且很轻。

youdao

If you've ever watched a construction worker in Shanghai swing a bamboo-handled sledge hammer, you know. Bamboo is tough.

如果你看到过上海的建筑工人挥舞着竹子手柄的大锤，你就知道，竹子是很结实的，而且很轻。

youdao