Elasticated
a. 织入松紧带的, 有松紧性的（织物）
🗣️ 情景例句
Always remember to wash your hands before eating.
用餐前谨记要洗手。
Like author, like book.
书如其人。
and a period (which is the time it takes a wave crest to travel one wave length).
和周期（浪峰走过一个波长所需的时间）。