If the blocks are placed off-centre, they will fall down.积木如果搭得中心错位就会倒塌。Babies often fall down when they learn to walk.婴儿在学走路时经常摔倒.Babies often fall down when they are learning to walk.小儿学步时常会跌交....
Howard Hawks hit paydirt with "Rio Bravo".霍华德·霍克斯凭借影片《赤胆屠龙》一夜成名。I went on a photo shoot to Rio with him.我和他一起去里约拍照了。After dwelling in Rio for ten years, she moved to Lisbon.她在里约居住了10年之后迁居到里斯本去了....
某些课程是必修的，其他是选修的。Certain courses are compulsory, others are optional.不.许多罗列的课程都是选修的.No. A lot of these are listed as optional.这些选修的课程使得学生能够修一些他们有兴趣的科目.These electives allow students to study subjects that interest them....
The pianist has deft fingers.钢琴家有灵巧的双手.With a deft flick of his foot, Mr Worth tripped one of the raiders up.沃思先生机敏地把脚一伸，把其中一个袭击者给绊倒了。He is a very deft novelist too, with a superb ear for dialogue.他同时也是一名才思敏捷的小说家，很善于搜集对话...