v (1)(使)滑动((cause to)move along a smooth surface while remaining touching it all the time)[I+prep，I+adv，T+n+prep，T+n+adv，C+n+adj]：～on the ice 在冰上滑动;～down a grassy slope 顺着草坡滑下去;The boat slid down the bank into the water. 小船顺着河岸滑入水中。The car slid into a ditch. 汽车滑进了沟渠。The pen slid from my hand. 钢笔从我的手中滑落。The book slid off my knee. 书从我的膝盖上滑落。～over the surface of the water 从水面上滑过;The snow is～ing down to the river. 雪从高处滑入河中。The drawers of this desk～in and out easily. 这张书桌的抽屉很容易推进拉出。～a glass across the table top 使杯子滑过桌面;He slid the car seat forward a little. 他把汽车的座位向前挪了一点儿。He slid the drawer open. 他拉开了抽屉。 ～ing door 拉门，滑动门;

(2)逐渐陷入某种状态(pass or fall gradually into a certain state，character，etc)[I+prep(into)]：～into a bad habit 逐渐沾染上坏习惯;～into dishonesty 逐渐变得不诚实;The economy slid from recession to depression. 经济由衰退变成萧条。

(3)悄悄(偷偷)地移动(塞)(move or pass sth quietly or secretly)[I+prep，I+adv，T+n+prep，T+n+adv]：～into a room 偷偷地溜进房间;～out of the room when no one is looking 乘人不注意溜出了房间;～away 偷偷跑掉;Time～s by. 光阴流逝。The thief slid in by the window. 窃贼从窗户溜了进来。The years～past.岁月在不知不觉间一年年过去。He slid a pistol into his pocket. 他偷偷把手枪塞进衣袋。He slid some money into my hand. 他悄悄把一些钱塞进我的手里。

(4)逐渐下降(fall gradually)[I]：The US dollar continues to～. 美元继续下跌。

let sth slide 听其自然：We must not let this matter～. 这件事我们决不能任其发展。

slide over (v adv)略过，回避(vt)：～over a ticklish problem 回避棘手的问题;He slid over the question without answering it. 他对这个问题避而不答。

n(1)滑动(行) (act of sliding) [U，a～]：have a～on the ice 在冰上滑行;Some rocks suddenly went into a～down the mountainside. 一些石块突然滑下山坡。The children each took a～in turn. 孩子们轮流每人滑一次。～fastener 拉链;

(2)滑坡(梯，道)(slippery track，or a specially constructed apparatus with a smooth sloping surface，on which people or things can slide)[C]：a log～原木滑道;a ski～滑雪场地;two～s in the playground 游乐场上的两座滑梯;

(3)山(雪)崩(mass of earth，snow，etc sliding down a slope)[C]：a land～山崩，泥石流;a mud～泥流;a snow～雪崩;The～cut off the valley from the rest of the world. 山崩使山谷与外界隔绝。

(4)下降(fall)[C]：a price～价格下降;head into a seasonal～进入淡季;on the～日益恶化，每况愈下;

(5)幻灯片(small transparent picture for projecting on to a screen or wall)[C]：They showed us their holiday～s. 他们给我们放映他们度假时拍的幻灯片。a camera that takes colour～s 拍摄彩色幻灯片的照相机;The lecture was illustrated with～s. 那次讲演伴有幻灯片作说明。～projector 幻灯机;

→′slide-rule n 计算尺