We needed to do decimals to round up and round down numbers.
我们需要把小数四舍五入成整数。
Up and down they went, and round and round.
他们飞上飞下，还绕着圈子飞。
Roaming up and down, round and round, he at length heard a slight movement of the horse close at hand; and the sleeve of his overcoat unexpectedly caught his foot.
他转来转去，上上下下地寻找了好久，后来听见附近有马轻轻活动的声音；他的脚也意外的绊到了他的外衣的袖子上。
The Lantern Festival is coming, send you a bowl of dumplings, dream of going to round up a career, round out the warm love, to family happy reunion, round to the New Year good fortune!
元宵节到了，送您一碗汤圆，将圆起一场事业的美梦，圆出温暖如春的爱情，圆得家人幸福的团聚，圆来新一年精彩的运程！
They chased each other round and round the trunk, up and down, with a fury of pleasure and delight.
它们绕着树干爬上爬下地互相追逐着，带着一种强烈的快乐和欣喜。
The locking mechanism is made up of an inner hole sleeve inside which multiple round leaf blades and round spacers are reciprocally spaced and kinetically sheathed in the blade cases.
该锁芯机构由多个圆形叶片和多个圆形隔片相互间隔活动叠装在叶片套的内孔套筒中构成。
Injun Joe sprang to his feet, his eyes flaming with passion, snatched up Potter's knife, and went creeping, catlike and stooping, round and round about the combatants, seeking an opportunity.
印第安·乔迅速地从地上爬起来，眼里燃烧着怒火，抓起波特扔在地上的那把刀，像猫似的，弯着腰悄悄地在两个打架的人周围转来转去，寻找着机会。
Roaming up and down, round and round, he at length heard a slight movement of the horse close at hand;
他转来转去，上上下下地寻找了好久，后来听见附近有马轻轻活动的声音；
The round trip is driven by servomotor, matched up with precision ball screw and wire slide rail, to smooth the round trip of the blade and position accuracy.
行程以伺服马达驱动，配合精密滚珠螺杆及线滑轨，切刀行程顺畅，定位精准。
The round trip is driven by servomotor, matched up with precision ball screw and wire slide rail, to smooth the round trip of the blade and position accuracy.
行程以伺服马达驱动，配合精密滚珠螺杆及线滑轨，切刀行程顺畅，定位精准。
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