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
Have a safe trip back.
祝您平安返家。
Please answer the door.
请去开门。
After you printed the book, you had to throw away the carved pieces of wood.
你把书印出后，不得不把刻过的一片片木板扔掉。