Arch contraction
[醫] 牙弓內縮
?? 詞語組成解析
arch
[ɑ:t?]
n. 弓形;拱門;拱形物;足弓，齒弓;
vt. （使）彎成拱形;用拱連接;向后彎;
vi. 拱起;成為弓形;
adj. 主要的;首要的;調皮的;淘氣的;
contraction
[k?n'tr?k??n]
n. 收縮，縮減;[語]縮略，略體，縮寫;（開支等）縮減;（分娩時）子宮收縮;
??? 情景例句
It's a family business, it may not bring in a lot of money, but it keeps the family together.
這是家族生意，雖然不一定可以賺大錢，但可將整個家庭凝聚在一起。
A bad bush is better than the open field.
有勝于無。
What's wrong?
怎么了？