Sawtooth antenna
[电] 锯齿形天线
🧩 词语组成解析
n. 锯齿
antenna
[æn'tɛnə]
n. [生] 触角，触须;感觉，直觉;天线;
an 等加在同辅音字母的词根前，表示\"一再\"等加强意 + t + enn =year,表示“年，一年” + a → n.天线
🗣️ 情景例句
What about the rings?
戒指怎么办？
You'll cut yourself, if you don't take care.
你不专心的话，就会割到你自己。
One of links in the chain that drives the wheels had snapped.
驱动轮子的链条断了一节。