A2 [ I or T ] to go across from one side of something to the other越过；横穿；横渡；横跨

[ T ] to annoy someone by not doing or saying what they want与…作对；惹恼

[ T ] If you cross a plant or animal with another of a different type, you cause them to breed together in order to produce a new variety (= type of plant or animal).使杂交

[ I or T ] in some sports, to hit, kick, or throw the ball across the playing area to another player, not forwards or backwards（球类运动）横传

UK specialized finance & economics to draw two lines across the middle of a cheque to show that it needs to be paid into a bank account在（支票中间）上画两道线（表示需要转入银行账户）

A1 UK a written mark (x or +) formed by two lines going across each other. The mark x is usually used to show where something is, or that something has not been written correctly.（标示位置或错误的）叉号（X）

B1 an object made of one long upright piece of wood, with a smaller piece across it near the top. In the past, people were tied or fastened with nails to crosses as a punishment and left hanging on them until they died. （古代死刑用的）十字架

B1 an object in the shape of a cross that people were killed on, used as a symbol of Christianity（象征基督教的）十字架，十字形物件

a medal in the shape of a cross十字勋章

a mixture of two different things that have been combined to produce something new混合物；杂种；混血儿

in some sports, a kick, hit, or throw of the ball that goes from one side of the playing area to the other, not forwards or backwards（球类运动）横传

mainly UK annoyed or angry恼怒的；愤怒的；生气的

across横过；越过

including different groups or subjects由不同群体或学科组成的