Involutes cylindrical worm and wheel drive can achieve a big drive ratio, and smooth transmission, has less noise , and it can also be made self-locking when necessary. 渐开线圆柱蜗杆蜗轮传动可以实现大传动比，工作平稳，噪声小，可以做成自锁。
Our firm is likely to reap a big profit this year. 今年我们公司很可能获得巨额利润。
The town centre certainly needs a face lift. 市中心可真该装修一下了.
We managed to achieve a kind of modus vivendi. 我们设法达成了某种临时的妥协。