Mount a painted rectangular wood box on the wall on either side of the bed and you'll have a place to stash all your reading material, plus a reading lamp.

在床的任何一边装上一个漆过的木盒子，你就有地方放阅读材料，还可以加个台灯。

youdao

The results show that the main factor is the heat transferring to the material, the conglomeration and growing of the cobalt powder on different material bed is effected by the temperature gradient.

认为对物料的传热是生产过程中的主要控制因素，由于料层中温度梯度的存在，影响到物料床中不同层次分解的钴粉聚集长大过程。

youdao

The design methods include how to select bed load and bed material within the suspended load and how to determine the feed of the model sand and the time of the experiment.

模型设计方法主要包括：如何合理选择模型河床质和床沙质，如何确定进口断面加沙量和放水时间等。

youdao

Opportunity has been trundling around Mars ever since, though it was designed for only a ninety-day mission. (Spirit got stuck in a sand trap in 2009 and quit transmitting nearly a year later.) It never found the lake bed, or organic material of any kind.

NEWYORKER: The Martian Chroniclers