Arch dam
[機] 拱形壩
?? 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;
dam
[d?m]
n. 水壩，堰;水庫;（牙科用的）橡皮障;〈比喻〉障礙;
vt. 用水壩阻止;阻塞，抑制;
??? 情景例句
She sells sea shells on the shining seashore.
她在亮晶晶的海灘上賣貝殼。
I hate to dust the furniture and bookcases.
我非常討厭擦拭家具和書架上的塵埃。
Such is human nature, that a great many people are often willing to sacrifice higher pay for the privilege of becoming white-collar workers.
許多人常常情愿放棄較高的薪水以換取做白領工人的殊榮，此乃人之常情。