Gmat
abbr. 格林尼治天文平时（Greenwich mean astronomical time）；研究生管理专业入学考试（Graduate Management Admissions Test）
🗣️ 情景例句
Then, in college, I became good at it.
然后， 在大学， 我变得很精于数学。
Kill two birds with one stone.
一石双鸟；一箭双雕。
Is it a black one?
是快黑的吗？