您要查找的是不是：
- That's rather an effective use of color. 这种使用颜色的手法效果相当好。
- Demand is slack over the summer months. 夏季的几个月市场滞销。
- Slack up before you reach the crossroads. 驶近十字路口时要减低速度。
- Slack off/up as youapproach the junction. 接近交叉口时要减速。
- Don't slack off in your studies. 不要荒费你的学业。
- In the short term, the medicine may not be very effective. 从眼前来看，这药可能疗效不是很大。
- Winter is the slack season at most hotels. 冬天是大多数旅馆的淡季。
- Not taut, firm, or compact; slack. 松弛的不紧、不严密或不坚实的; 放松的
- When does the new system become effective? 新制度何时生效？
- The fear of ridicule is a very effective sanction. 人们不做违法乱纪的事，其中一个重要因素就是怕人耻笑。
- After intense work in the summer, we are slack off now. 夏季紧张的工作过後，我们现在放松了。
- The sailors pulled at the rope to take up the slack. 水手们拉起绳索把它收紧。
- Effective, punitive, or destructive action. 有效的行为有效的、惩罚的或破坏性的行为
- So that is your effective remedy. 原来那就是你们所谓的有效药物。
- I think you'll have to take effective steps. 我认为你得采取有效措施。
- Gentle persuasion is more effective than force. 温和的说服胜於压服。
- The tractor took up the slack and pulled the trailer out of the mud. 拖拉机拉紧拖缆把拖车从泥中拉了出来。
- January is always a slack period. 一月份总是萧条时期。
- This country lacks an effective party of the centre. 这个国家缺少一个能起作用的中立党派。
- In using superheated steam, compounding becomes less effective. 使用过热蒸汽时，混合的效果就会减少。
