I used a sledgehammer to drive the pegs into the ground.我用一把大锤子把短桩打进地里。She picked up the sledgehammer and began banging away with enthusiasm.她拿起大锤便用力敲打起来.She hit the nail with a sledgehammer.她用大锤钉钉子....
It was a small and peaceful demonstration so I don’t know why there was such a big police presence. It was like using a sledgehammer to crack a nut.这只是个小型的和平示威，真不明白为什么有那么多警察，简直是小题大做。She picked up the sledgehammer and beg...
咖啡因会引起心悸和头痛。Caffeine can cause palpitations and headaches.心悸可能是由于低血糖、咖啡因过量或抽烟过多。The shaking inside may be due to low blood sugar, too much caffeine or too many cigarettes.来自频发的期前搏动或其他心律不齐的心悸亦属常见.Palpitation from frequent...