Sleeve antenna
[电] 套管天线
🧩 词语组成解析
sleeve
[sliv]
n. [机]套筒，套管;袖子，袖套;唱片套;
vt. 给…装袖子;给…装套筒;
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
No problems. Here's your passport, and here's your money. Have a nice day, Mr. Lu.
没问题。这是您的护照，还有您的钱。祝您愉快，陆先生。
The boss is waiting in his office for us to come and explain why we failed to finish this work on time.
老板在他的办公室里等着我们前去说明未能按期完成这个工作的理由。
a wave length (the horizontal distance between two wave crests),
波长（两个浪峰间的水平距离）