Ambuscader
n. 埋伏；伏兵 (ambuscade的变形)
🗣️ 情景例句
Oh, don't forget the mustard.
噢，不要忘了芥末。
A blate cat makes a proud mouse.
猫儿腼腆，老鼠翻天。
and a period (which is the time it takes a wave crest to travel one wave length).
和周期（浪峰走过一个波长所需的时间）。