A的最大下界边称为A的下确界.The greatest lower bound of A is also called the infimum of A.给出了 非 平凡二连通测地图边数的下确界; 改进了部分结果.Gives the infimum of the numbers of dege in 2 - connected nontrivial geodetic graph; Renew some results....
保罗很会变戏法.Paul's very good at conjuring.每天，饭店里会有一位不同的大厨像变戏法似的奉上可口的菜肴。Every day a different chef will be conjuring up delicious dishes in the restaurant.这样,离愁别恨总算变戏法似的变掉了.Thus somehow the bitterness of a parting was ju...
Making pasta by hand with a rolling pin can be a real chore.用擀面杖擀意大利面会是个非常枯燥乏味的活儿。Cook the pasta in a large pan of boiling water.在一大锅沸水中煮意大利面。Waiters glide between tightly packed tables bearing trays of pasta.侍者们端着一盘盘意大利...
The choice of excursions was bewildering.各种各样可供选择的远足项目让人眼花缭乱。Neighbours have invited us out, given us clothes, and taken us on excursions.邻居们请我们出去吃饭，给我们衣服，还带我们去远足。Prices start at £1,095 per person, including flights, hot...