Door-knocker
兽环
📖 牛津释义
door-knocker
n = knocker.
🧩 词语组成解析
door
[dɔr]
n. 门，户;出入口;一家[户];通道;
knocker
[['nɔkə]]
n. 敲击者(或物), 敲门者, 门环\\n[电] 开锤
🗣️ 情景例句
study for my math final.
温习数学 准备期末考试。
You're so retarded!
你很迟钝呐！
But how would we find such a planet? At present, there is no telescope in existence that is capable of detecting the presence of life.
但是，我们如何才能找到这样一颗行星呢？现在，没有一台现存的望远镜可以发现生命的存在。