snow chains
noun [ plural ] uk/ˈsnəʊ ˌtʃeɪnz/ us/ˈsnoʊ ˌtʃeɪnz/ (also chains, /tʃeɪnz/ /tʃeɪnz/)
（汽车在雪地上行驶时用的）雪地防滑链
chains that are fitted over the tyres of a vehicle in order to make it easier and safer to drive in snow
In adverse weather, carry snow chains and be familiar with how to put them on your tyres. 在恶劣的天气下，要随车带着雪地链，并熟悉如何给轮胎上链。
For a front-wheel-drive vehicle, the chains should go on the front two tyres, and for rear-wheel-drive vehicles, on the rear two. 对于前轮驱动车辆，雪链应安装在前面两个轮胎上，对于后轮驱动车辆，应安装在后面两个轮胎上。
- More examples
- Would you advise getting snow tyres or am I better to buy a set of snow chains?
- Take snow chains if you are travelling to higher resorts like Obergurgl or to the Arlberg.
- Tour buses with snow chains drive in convoy behind the snowplough as it blasts snow up off the road high into the air.