Pulsejet
engine[空]脉冲式喷气发动机
🗣️ 情景例句
Good night.
晚安。
When the heart is full,, the tongue will speak.
胸有成竹，口若悬河。
How ever you may work hard, the boss will not be fully satisfied.
无论你有多努力，老板总不会完全满意。