挑选一个又轻又便捷的而且可以装所有急救用品的小盒子或袋子。

Select a small box or bag which is light weight, portable and can hold all of your first aid supplies.

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我们可以往打开的牛奶盒里加一点盐来保持其新鲜，加盐后小心把盒子收口并轻摇使其混合。

Keep it fresh longer by adding a pinch of salt to the carton, pinching the spout closed and gently shaking to mix.

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这男孩举起一个轻的盒子。

The boy lifted a light box.

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