thread /θred/ I. n.［c］ & ［u］ 1.线，丝：The spider was hung by a thread.蜘蛛悬吊在一根丝上。［考句］ The political future of the president is now hanging by a thread.总统的政治前途岌岌可危。I shall need some red thread to sew this dress. 我需要些红线缝这件衣服。2. 螺纹：the thread on a screw 螺钉上的螺纹 3.思路：lose the thread of one’s argument 辩论的思路乱了 ‖II. vt. & vi. 1.穿线于：Can you thread a needle? 你会穿针吗? 2. 迂回地穿过：He threaded the forest. 他穿过森林。The river threads between the mountains. 大河在山间穿过。