蚕宝宝开始吐丝了，这时，我发现蚕宝宝的样子非常有趣。

Silkworms began to silking, and then, I found silkworms look very interesting.

显微镜的观察显示家蚕丝腺的逐渐退化发生在吐丝期间。

The microscopic observation showed that silk gland degeneration gradually occurred during the spinning period.

许多极细小的导管把每个造丝腺体与吐丝器相连。

Many tiny tubes connect each silk gland with a spinneret.

利用冠层反射光谱监测叶片碳氮比的适宜时期为孕穗期至吐丝期。

The proper time for monitoring leaf soluble sugar to nitrogen ratio should be from booting to silking stage.

春蚕生命不息，吐丝不止……春蚕这些优秀的品质，只有光荣的人民教师才无愧于这样的称谓。

Produce silk silkworm where there is life, there is more than... silkworm these good quality, only the glorious people's teacher is worthy of this title.