In fact, the entire org.jdesktop.jdic.tray package has only two classes: SystemTray, which abstracts the system tray itself, and TrayIcon, which abstracts the individual ICONS in the system tray.
实际上，整个or g . jdesktop . jdic . tray包只有两个类：systemtray抽象了系统托盘本身；TrayIcon抽象了系统托盘中的单个图标。
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Astronauts attach their individual food containers to a food tray with fabric fasteners. The tray itself connects either to the wall or to the astronauts' laps.