Australias
n. 澳大利亞，澳洲
??? 情景例句
Don't jump the gun.
別輕舉妄動。
Just what I thought.
果然不出我所料。
and a period (which is the time it takes a wave crest to travel one wave length).
和周期（浪峰走過一個波長所需的時間）。