The class experiment that day was to show how heating a container of water would bring air bubbling to the surface.

那天的课堂实验是为了展示加热一个盛水的容器会如何让空气冒泡到表面。

youdao

To create the Person class, click on the class icon in the tool palette and draw a box on the design surface.

要创建person类，单击工具面板上的Class图标，并在设计界面中画一个方框。

youdao

Swimming more than 1, 510 feet (460 meters) below the surface of the Gulf of Mexico, Ampelisca mississippiana is a recently identified species of a class of small crustaceans called amphipods.

Ampelisca mississippiana，刚刚被鉴定为一种片脚类——一类小型的甲壳类，正在墨西哥湾超过1510英尺（460米）的水下游泳。

youdao

The kinds of proteins that sit on a cell surface and form adhesion junctions with neighboring cells, that's one class of cells on the surface.

这些蛋白位于细胞表面,和相邻的细胞建立粘附链接,这是细胞的一个种类

耶鲁公开课 - 生物医学工程探索课程节选

While this is a significant sum, to be sure, if an apples- to-apples comparison were made, the price of purchasing and operating modern fighter aircraft wings or a class of surface ships or submarines would significantly exceed that associated with a ground-based NMD system.

CENTERFORSECURITYPOLICY: Sea-Based Missile Defenses -- for the Allies, for the U.S.

He's a class player on this surface.

BBC: SPORT | Tennis | Gaudio too good for Hewitt

Two pounds is still lighter than the Acer Iconia W700, which weighs 2.09 pounds, so for a product in this class, the Surface Pro might even pass for compact.

ENGADGET: Microsoft Surface Pro hands-on Hands-on