查询词典 up train

If you fall behind ,you must keep up with the rest of the class：如果你落后了,你必须赶上其他同学

9. keep up 赶上,不落后;保持联系;振作,不低... | 1) If you fall behind ,you must keep up with the rest of the class.如果你落后了,你必须赶上其他同学. | 2) Try to keep up with the old friends far away.设法...

If you fall behind ,you must keep up with the rest of the class：然后你落后了,你必须赶上其他同学

8keep up 赶上,不落后,保持联系,振作,不低落,遵... | If you fall behind, you must keep up with the rest of the class然后你落后了,你必须赶上其他同学 | Try to keep up with the old friends far away 设法和远方...

fasten up：系住

chain up 锁住 | fasten up 系住 | block up 堵塞

up-and-down fathometer：回声测深兼测冰仪

up-and-down fall 舱口吊货索 | up-and-down fathometer 回声测深兼测冰仪 | up-bound vessel 上行船

fatten up：发胖

brighten up 发亮 | fatten up 发胖 | freshen up 使新鲜

I wonder what time he will fetch up：我不了几点钟到达

The car suddenly fetched up before a big tree. 那辆车突然在一棵大树前停住了. | I wonder what time he will fetch up. 我不了几点钟到达. | He was fetched up by the red light. 他突然被红灯拦住.

fill up ground：填筑地

fill-up concrete block 填充式混凝土砌块 | fill-up ground 填筑地 | fill-up hole 填塞孔

fit or put up; install：安裝

*I fixed up to go abroad for a holiday.我安排出國度假. | 2.fit or put up; install安裝 | *A screen was fixed up to protect the spectators from the wind and rain.安裝了一個篷子使觀眾免于風吹雨淋.

fix up sb. with：为某人提供,给某人安排;给某人介绍(女友)

They are busy fixing up the lights. 他们正忙着装电灯... | fix up sb. with为某人提供,给某人安排;给某人介绍(女友): | They fixed us up with tickets and money for the journey. 他们为我们的旅行准备了车票和费...

fix up sb. with：为某人安排某事物

line up 排队 | fix up sb. with 为某人安排某事物 | sum up 总结,概括(某事物)

cold-work mould steel：冷作模具钢

oxidation-resistant steel抗氧化钢 | cold-work mould steel冷作模具钢 | gauge and cutter steel量具刃具钢

Rise and fall saw：升降锯

rise-and-fallpendant升降吊灯 升降压吊灯 | rise-and-fall-saw升降锯 | risedcosine上升余弦