New Word and expressions 生词与短语

owl

int. 哎哟

slip

v. 滑倒，滑了一脚

fall (fell, fallen)

v. 落下，跌倒

downstairs

adv. 下楼

hurt (hurt, hurt)

v. 伤，伤害，疼痛

back

n. 背

stand up

起立，站起来

help

v. 帮助

at once

立即

sure

adj. 一定的，确信的

X-ray

n. X光透视