New words and expressions 生词与短语
rough
adj. 崎岖不平的
boulder
n. 大石块
pit
v. 使得坑坑洼洼
perturb
v. 使不安
underestimate
v. 低估
swerve
v. 急转变
scoop
v. 挖出
hammer
v. (用锤)击打,锤打
ominously
adv. 有预兆的,不祥的
rip
v. 划破,撕,扯
petrol
n. 汽油
stretch
n. 一大片(平地或水)
obstacle
n. 障碍
clump
n. 丛,簇
fissure
n. (石,地的)深缝
renew
v. 重复
pleading
n. 恳求
gear
n. 汽车排档
astride
prep.骑,跨
crack
n. 缝隙
zigzag
n. “之”字形
shallow
adj. 浅的
grind (ground, ground)
v. 磨擦
halt
n. 停
dashboard
n. (汽车上的)仪表盘