Contraction wave
[医] 收缩波
🧩 词语组成解析
contraction
[kən'trækʃən]
n. 收缩，缩减;[语]缩略，略体，缩写;（开支等）缩减;（分娩时）子宫收缩;
wave
[wev]
n. 波浪，波动;挥手;涌现的人（或事物）;汹涌的行动（或思想）态势;
vi. 摇摆，起伏;
vt.& vi. （一端固定地）飘扬;挥手指引;挥动…示意;略呈波形;
vt. 挥手表示;挥舞;使…略呈波形;烫（发）;
🗣️ 情景例句
This job is hard work.
这活儿太累人了。
Have but few frieds,though many acquaintances.
结交可以多，朋友应宜少。
Because the tree was mentioned in a newspaper, the number of visitors to Frinley has now increased.
就因为报上提到过这棵树，所以现在来弗林利参观的人越来越多。