Tea and other goods were stored in strong bulkheads, each waterproofed and separated from the next to minimise flood damage.
茶叶和其他货物经防水处理后分储在防水壁中以降低洪涝带来的损失。
This innovation, introduced to keep precious tea cargos dry, spurred on the improvement of not only Chinese boats, but Western ones, too.
这种保持珍贵茶叶干燥的革新措施不仅改进了中国的船只，还改进了西方的船只。
The distinctive rigging of the junk's sails allows easy handling in bad weather, essential along this storm-battered coast.
舢板上独特的索具使得它在恶劣的天气下也容易操纵，这在风暴肆虐的海边至关重要。

注：视频如无法播放，请刷新

重点讲解：

1. separate from

（使）分离；（使）分裂；（使）分开；

eg. It is simply not that easy to separate the bare details of a call from its content.

把电话中的重要细节从内容中分离出来并不简单。

eg. This patient should be separated from the others.

这个病人应该隔离。

2. not only...but (also)

不仅……而且；

eg. The moves in chess are not only manifold, but involute.
下棋的走法不但多种多样，而且错综复杂。

eg. He not only promised, but performed.
他不仅许下诺言，而且做到了。