Monosymmetric
a. 单轴对称的, 两侧对称的
🗣️ 情景例句
Turn the key before you pump the pedal, or you'll flood the engine.
加水之前转动钥匙，要不发动机就给浇灭了。
Opportunity makes the thief.
疏忽招盗贼。
How many musicians are you bringing?
你打算带多少乐师来？