Contraction arch
[醫] 牽縮弓
?? 詞語組成解析
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;
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;
??? 情景例句
Except for the beard, he hasn't changed in fifty years.
除了有胡須， 他五十年來沒有變。
The teacher was not at all happy with his students.
那位老師對他的學生毫不滿意。
OK. But I'm afraid I may be a little late.
好。不過我恐怕會稍晚一點到。