What happens is the fluid that's sprayed into each fibre of the yarn starts to stiffen up and resist that mechanical strain.
渗入纱线纤维的液体黏性开始增大并阻止机械拉力。
Glue the ends of the ribbons to stiffen them up and make threading easier.
用胶水使丝带的两端变硬，可以让孩子们在穿洞的时候更容易些。
Glue the ends of the ribbons to stiffen them up and make threading easier.
用胶水使丝带的两端变硬，可以让孩子们在穿洞的时候更容易些。
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