“吐丝”造句

这些蚕的吐丝量很大.
The silkworms are producing well.

介绍了吐丝机固有频率的电算方法.
The computing method for natural frequency of feeding machine is introduced.

吐丝, 蜂酿蜜. 人不学, 不如物.
Silkworm silk, bee honey. People do not, not as objects.

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