导链的英文：
leading chain
n. 领导，疏导，铅板 adj. 主要的，重要的
- Will you take the lead?
你领个头好吗？ - Lead poisoning( or plumbism )：Poisoning by accumulation of lead in the body.
铅中毒:铅在体内积累引起的中毒。 - The road leads direct there.
这条路直接通那儿。 - The dog is straining at its lead.
那条狗正使劲地拖拽皮带。 - Put the dog on the lead!
用皮带牵住狗！
n. 链，束缚，连锁
v. 用锁链拴住，束缚，囚禁
- a chain of supermarkets/a supermarket chain
超级市场联号. - a chain of mountains/a mountain chain
连绵的山[山脉] - Chains of gold are stronger than chains of iron
金链锁人比铁炼更牢靠 - chain, link, articulated, other than roler chain
滚链除外的铰接链 - The length of the chain molecule is proportional to the kinetic chain length
链分子的长度与动力学链长成正比。
