The tutor taught them how to twist threads together and how plant turnip.
家庭教师教他们如何搓线和如何种植萝卜。
The tutor taught them how to twist threads together and how plant turnip .
家庭教师教他们如何搓线和如何种植萝卜。
Two-ply refers to materials that twist two threads together into a single thread, thus increasing the fabric's thread count and creating a stronger thread.
两层材料，是指两个线程一起扭成一个单一线程，从而增加了织物的线程数和创造一个更强有力的线程。
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