独木桥的英文：
a single-plank bridge; a single-log bridge
She teetered over the single-log bridge.
她摇摇晃晃地走过独木桥。
Negotiation of the single-plank bridge was difficult for me.
要走过这座独木桥对我是件难事。
adj. 单一的；个别的；单身的；单程的 n.单曲唱片；单程票；单打比赛
v.挑出，选出；击出一垒安打
They single out the biggest apple.
他们挑出最大的苹果。
They play single this afternoon.
他们今天下午进行单打比赛。
A single to London, please.
劳驾，一张去伦敦的单程票。
n. 厚木板；支架；政纲
v. 在…上铺木板；撂下；立刻付款
There is a knot in the plank.
木板上有个节疤。
The plank was spliced with nails.
那块木板是用钉子拼接的。
They will bridge it over with planks.
他们将用木板在其上方架桥。
n. 桥，鼻梁，琴马，桥梁，电桥，下隔板，桥牌
v. 架桥于，用桥连结，跨越，横贯，
removable bridge
可移动齿桥
immediate bridge
立即齿桥
They are engineering a bridge.
他们正在建造一座桥。