go cross go down go by分别是什么意思

第一个词，是go across吧go across1. 横穿马路；越过水域(或空间等)：He went across the bridge.他走过桥了。2. 被接受；被理解：Did your speech go across to the crowd all right?你的演讲大家理解了吗?go down1. 下去：Go down and see what they are doing downstairs.下去看看他们在楼下干什么。2. 俯身；弯腰；跪下：I had to go down on the floor to clean the room.为打扫房间我只好跪在地板上。3. 被咽下去：This medicine goes down smoothly.这种药物很容易咽下去。4. (日、月)西沉、落到地平线下：As the sun went down the whole sky became suffused with a red glow.当太阳西沉时，整个天空布满了一片红色晚霞。5. (声望、质量)降低，下降：This restaurant which was once one of the best in New York,has gone down steadily in the past few months.这家曾经是纽约最上等的餐馆，近几个月声望在逐渐下降。6. 跌倒，落下；倒塌：The whole house went down in the floods.在洪水中整幢房子倒塌了。7. 失败，被击败：The best student went down in the last examination.最好的学生在最后一次考试中没有及格。8. (风浪)平息下来；(肿胀)消退；(洪水)下落；(轮胎等)没气：The wind went down and the sea became quite calm.风停了，海变得平静了。The tyre has gone down.轮胎没气了。9. (价格)下跌；(温度等)下降：Eggs are going down.鸡蛋的价格在下跌。During her illness her weight went down from 50 kilos to 40 kilos.在她生病期间，她的体重从50公斤降至40公斤。10. (音乐)降低音调：to go down a 5th here,not a 4th在这里要降5度，而不是4度。11. 被接受，受欢迎；引起反应：How did his speech go down with the audience?他的发言听众能否接受?12. (书等)记述到；(土地等)延伸到：How far does zoo's land go down?动物园的地盘有多大?13. 载入(历史)，传下去：This day will go down in history.今天将被载入史册。14. [英国英语]离开大学：He went down without taking a degree.他大学毕业没有获得学位。15. [英国俚语]入狱：She went down for three months.她入狱三个月。16. [俚语]发生：What's going down?发生什么事了?go by1. 经过：You've missed the bus, it just went by.你错过了公共汽车，它刚开走。2. (时间)逝去，过去：Time goes by quickly on vacation.度假时时间过得真快。3. [口语](过错、过失等)被放过；(机会等)错过，轻易放过：You can't afford to let any job go by when you've been out of work for so long.你失业那么长时间了，可不能轻易放过任何工作机会。4. 按照，遵守；以…来判断：Going by her diamond ring,she must be very rich.从她的钻戒判断，她一定很富有。Don't go by that clock.It's slow.不要按照那只钟，它慢了。5. 靠…运转，靠…动起来；(通过火车、飞机等)旅行：I think we should go by plane, it's faster.我想我们应该坐飞机，它快一些。6. 顺便走访：I was not at home when she went by yesterday.她昨天来看我时，我不在家。7. 被叫做；以…命名：He goes by the name of Smith, but I don't know who he really is.他被叫做***，但我不知道他真名叫什么。