Tonic contraction
[医] 紧张性收缩, 强直性收缩
🧩 词语组成解析
tonic
['tɑnɪk]
n. 滋补品;奎宁水;<音>主音;<语>浊音;
adj. 滋补的;<语>声调的;<医>强直的;<音>主音的;
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;
🗣️ 情景例句
He is with someone right now. Would you hold?
他现在在会客。你可以稍等吗？
A straw shows which way the wind blows.
一叶便知秋。
By comparison, ferry trips or cruises offer a great variety of civilized comforts.
相比之下，坐船旅行或环游可以得到文明世界的各种享受。