1.blue whale藍鯨
But past studies suggest only blue whale males make calls like this.
但是在過去的研究表明,只有雄性藍鯨才會這樣唱歌 。
2.require for 需要
There may be scenarios where most of the data you require for reporting exists in one database with the exception of a few other key tables.
有可能存在這樣的場景:您的報告需要的大部分數據都存在于一個數據庫,但幾個關鍵表除外 。
3.hold back 抑制;阻止
Stagnation in home sales is holding back economic recovery.
住房銷售的停滯正阻礙著經濟的復蘇 。