🧩 词语组成解析
rod
[rɑd]
n. 杆，拉杆;惩罚，体罚;（责打人用的）棍棒;手枪;
🗣️ 情景例句
This is as useful as screen door on a submarine.
这毫无用处。
I'm afraid you will be too weak.
我怕你会太虚弱。
You mustn't aim too high.
你不可好高骛远。