Boundary wavelength
[医] 边界波长
🧩 词语组成解析
🗣️ 情景例句
It hurts so much when a baby gets his first teeth.
小孩子长第一颗牙齿时好痛哟。
A fall into the pit, a gain in your wit.
吃一堑，长一智。
When will the new people move into this house?
新住户什么时候搬进这所房子？