letup的造句（例句）：
1、U.S. current account deficit continue to worsen, and no letup is in sight.
影响美国经常账户赤字的潜在因素继续恶化，而且看起来没有中止恶化。
2、Even at the current high level of market share there is no letup in the region's growth.
即使达到了目前的高水平，东亚国家市场份额的上升也没有出现停顿的迹象。
3、They pressed on without letup until they got to the top of the hill.
他们一鼓作气爬上山顶。
