1. Sun clocks worked, of course, only on clear days; water clocks misbehaved when the temperature fell toward freezing, to say nothing of long-run drift as the result of sedimentation and clogging. 当然，太阳时钟只能在晴天工作；当温度下降到接近冰点时，水钟就会失灵，长期漂浮的东西因为下沉或堵塞而无法工作。
2. These blockages are often clogging you up. 这些障碍通常把你堵塞住了。
3. It also helps slough away dead skin that can lead to clogging. 此外，还可以帮助去除可导致堵塞的死皮。
4. But first, replacements must be found for these artery-clogging fats. 但首先，我们必须找到一些东西可以替代那些堵塞血管的反式脂肪。
5. This allows the fuel to flow and prevents clogging of the fuel filter. 同时确保了燃料的流动，并有效防止燃油滤清器堵塞。
