The existing bromine in acetic acid could aggravate corrosion on metal hole.醋酸中含溴会加剧金属孔蚀.In other districts the proximity of cemeteries seemed to aggravate the disease.在其它地区里,邻近墓地的地方,时疫大概都要严重些.And remember: Tight shoes c...
It was just then that I chanced to look round.就在那时，我恰好环顾了下四周。I chanced on an old school friend in town.我在城里碰到了一位旧日的同窗.It ( so ) chanced that I was in the countryside at the time.那时我恰巧在乡下....