They have spent several six-month spells at sea, returning home for brief visits.
他们在海上游玩六个月,再回家短暂休整。 这样做已经有好几次了。
Bulky items must be shipped in during the brief period when the sea is free of ice.
大量的物资也必须乘着短暂的海洋无冰期运送进去。
Past outbreaks of meningococcal meningitis in SEA Region-a brief overview.
东南亚区域以往脑膜炎球菌性脑膜炎暴发—简要概述。
应用推荐