The pleurae are serous membranes, which mean they secrete a lubricating fluid, called serous fluid.
胸膜为浆膜,这意味着它们可以
泌润
液体,即浆液。

: lubricated, lubricating, lubricates The pleurae are serous membranes, which mean they secrete a lubricating fluid, called serous fluid.
胸膜为浆膜,这意味着它们可以
泌润
液体,即浆液。
Gear must be properly lubricated.
齿轮必须适当地加油润
。
声明:以上例句、词性

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