The counselors will gladly baby-sit during their free time.空闲时这些顾问也会乐意照看一下孩子。They are expected to baby-sit, run errands, and help serve at cocktail parties.要求他们做的事情有：看孩子、跑腿儿、在鸡尾酒会上帮忙招待。Could you baby - sit for us on Frid...
I think that the vice president was in the loop...我认为副总统是局内人。The plane looped the loop three times.飞机连翻了三个跟头.The closed - loop interference fiber optic gyroscopes and strap down inertial measurement unit are introduced.介...