银叶仙客来品种不太耐寒。The silver-leaved varieties of cyclamen are not quite as hardy.只要有耐心，是能成功培育出这一品种的。Given patience, successful breeding of this species can be achieved.某些品种比其他品种更危险。Certain breeds are more dangerous than others...
As a general rule, burglars are wary about gaining entry from the front or side of a building.通常来说，窃贼对从房屋的正面或侧面潜入会比较谨慎。As a general rule, all muscular effort is enhanced by breathing in as the effort is made.通常，肌肉的力量能通过使...