Please keep the cartons to 15kg each and metal-strap all cartons in stacks of 4.
请将每个纸箱重量限制在15公斤内,并将每4箱一组用铁条儿固定起来。
and his hero was firmly rooted in his memories and experiences, and in both the history and the mythology of the vanished frontier.
他塑造的英雄人物深深地扎根于他本人的记忆和经历之中,也扎根于有关已经消失的拓荒生活的历史和神话之中。