您要查找的是不是：
- crab traversing mechanism 牵引机构
- A crab nipped my toe while I was paddling. 我 水时脚趾让螃蟹给夹了。
- crab traversing motor 移动起重机电动机
- It was his misfortune to catch a crab in the last spurt. 他真倒霉，到了最后一刹那竟有一桨没划好。
- Surely there is a limit to what one can bear. 人的忍耐肯定是有限度的。
- The proposal set a time limit of one year. 提案规定了一年的限期。
- What's the speed limit on the motorway? 高速公路的速度限制是多少?
- He was had up for exceeding the speed limit. 他因超速行驶而遭控告。
- He weighed in at several pounds below the limit. 他赛前量体重比规定限度少几磅。
- A crab was left stranded on the beach when the tide ebbed. 退潮时，一只蟹被困留在沙滩上。
- We must try and limit our expenditure. 我们必须设法限制我们的开支。
- His speech ran over the time limit. 他的讲话超过了规定的时间限制。
- The cars were traversing along the highway. 一辆辆小汽车在沿公路驶过。
- The speed limit is 40 miles per hour. 规定的最高时速为40英里。
- There's a limit to how much I'm prepared to spend. 我准备花多少钱是有限度的。
- Limit your expenditure to what is essential. 你要把开销限制在必要的范围内。
- I must tell you that his patience has its limit. 我必须告诉你，他的耐心是有限的。
- He is fined$50 for exceeding the speed limit. 他因超速行车而被罚款50美元。
- And millions of new cars will be traversing them. 数百万新的汽车将在其上行驶。
- They have shrimp, lobster, crab, fish... 他们有小虾，龙虾，蟹，还有鱼类，
