cert
n (Brit infml 口) thing that is sure to happen, be successful, etc; certainty 必然发生的事情; 确实的事情
Black Widow is a (dead) cert for (ie is sure to win) the next race. `黑寡妇'马下一?quot;热? cert, abbr 缩写 = certified.
🗣️ 情景例句
What a lovely couple you make!
你们真是天生的一对。
We can't make a decision without knowing the facts.
我们不能不知道事实,就作决定。
and a period (which is the time it takes a wave crest to travel one wave length).