英音 [graʊnd] 美音 [ɡraʊnd]
the solid part of the earth's surface;
"the plane turned away from the sea and moved back over land"
"the earth shook for several minutes"
"he dropped the logs on the ground"
a rational motive for a belief or action;
"the reason that war was declared"
"the grounds for their declaration"
the loose soft material that makes up a large part of the land surface;
"they dug into the earth outside the church"
a relation that provides the foundation for something;
"they were on a friendly footing"
"he worked on an interim basis"
a position to be won or defended in battle (or as if in battle);
"they gained ground step by step"
"they fought to regain the lost ground"
the part of a scene (or picture) that lies behind objects in the foreground;
"he posed her against a background of rolling hills"
material in the top layer of the surface of the earth in which plants can grow (especially with reference to its quality or use);
"the land had never been plowed"
"good agricultural soil"
a relatively homogeneous percept extending back of the figure on which attention is focused
a connection between an electrical device and a large conducting body, such as the earth (which is taken to be at zero voltage)
(art) the surface (as a wall or canvas) prepared to take the paint for a painting
the first or preliminary coat of paint or size applied to a surface
fix firmly and stably;
"anchor the lamppost in concrete"
confine or restrict to the ground;
"After the accident, they grounded the plane and the pilot"
place or put on the ground
instruct someone in the fundamentals of a subject
bring to the ground;
"the storm grounded the ship"
hit or reach the ground
throw to the ground in order to stop play and avoid being tackled behind the line of scrimmage
hit a groundball;
"he grounded to the second baseman"
hit onto the ground
cover with a primer; apply a primer to
connect to a ground;
"ground the electrical connections for safety reasons"
use as a basis for; found on;
"base a claim on some observation"
aboveground adv. 在地上，未被埋葬地，活着;
aground adv. 搁浅地;地面上; adj. 搁浅的;在地面上的;
background n. （画等的）背景;底色;背景资料;配乐;
battleground n. 战场;论争的主题;
belowground adj. 地下的;
campground n. 野营地，露营场所;
fairground n. 露天市场;举行赛会的场所;露天马戏场;
foreground n. 前景;突出的地方， 最显著的位置;
groundbreaker n. 创始者；改进者;
groundbreaking adj. 开创性的，突破性的;
grounder n. 滚地球，沿地面跳滚的球;
groundhog n. （美国产的）土拨鼠;
groundkeeper n. 体育场、公园、公墓等地的管理员;
groundless adj. 无理由的，无根据的;平白无故;飞;莫须有;
groundling n. 匍匐植物，没鉴赏力的低俗观众;
groundmass n. 基质（一种连续分布的细粒物质，其中镶嵌着沉积物或沉积岩的大颗粒）;
groundnut n. 落花生;
groundout n. （击球员击出内场地滚球后的）被杀出局;
groundsel n. 千里光属植物;
groundsill n. 基础横木;地基;地板;卧木;
groundskeeper n. (运动场、庄园、墓地等的)场地管理员[亦作 groundkeeper];
groundwork n. 基础;基本原理;
playground n. 操场，尤指提供如秋千等设备的户外场地;游乐场;（某些集体聚会游乐的）园地;
underground adj. 地下的;秘密的;先锋派的;隐蔽的;
ground-to-ground adv. 地对地;
ground friction 地面摩擦;
ground skidder 地曳式集材机;
ground limestone 重质碳酸钙;
stock ground 料场;
ground springs 无纤维废胶末;
ground capacitance 接地电容;
ground arms 放下武器，投降;
ground flora 地表植物;
ground oak 橡胶树的根蘖，胭脂虫栎;
ground cable 接地电缆，浮筒锚链;
ground-to-ground transmission [计] 地对地传输;
ground to ground 地对地;
power ground [电] 电力接地;
ravelly ground 松散岩层;
proving ground n. 试验场;
ground concrete 地面混凝土;
ground investigation 地面调查;