今日のレッスン spider全てのクモは糸を出すことができる。粘液の着いた横糸は獲物に粘り着くようになっている。クモが網を歩く時には横糸を使わず、粘りのない縦糸を伝って歩くので、自らは網に引っかからない。
・viscid thread ・dragline thread
Many people believe that spiders have special oils that repel the stickiness of their threads. Spiders can spin different kinds of silk, and not all of their silk is sticky.
・はじく ・糸を吐く
In fact, in a spider web only the silk used for the intricate catching spirals are dotted with glue, so spiders know which threads to avoid.
入り組んだ
・viscid thread ・dragline thread
Many people believe that spiders have special oils that repel the stickiness of their threads. Spiders can spin different kinds of silk, and not all of their silk is sticky.
・はじく ・糸を吐く
In fact, in a spider web only the silk used for the intricate catching spirals are dotted with glue, so spiders know which threads to avoid.
入り組んだ
小学生の時夏休みの課題として「クモの巣の張り方」を観察したのが懐かしい。
