有人调大了公共广播系统的音量。Someone cranked up the volume of the public address system.很难为国民医疗保健系统的实验室招募到资历合适的高级科研人员。There are problems in recruiting suitably qualified scientific officers for NHS laboratories.在国民医疗保健系统的救助下,他免于致残。The...
其中最明显的是鲜艳的花瓣,花瓣下有一轮萼片.Most obvious of these are the brightly colored petals supported by a whorl of sepals.果扁球形, 直径1.7厘米, 基部托以宿存苞片和萼片.Fruit oblate, 1.7 cm in diameter, base with persistent bracts and sepals.花朵下面的萼片枯萎了.Th...