Palatal arch
[醫(yī)] 硬腭弓, 上頜弓
?? 詞語組成解析
n. 上腭音\\n[醫(yī)] 腭的
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(diào)皮的;淘氣的;
??? 情景例句
My mother passed away.
我母親去世了。
We must arrive there on time.
我們必須準(zhǔn)時(shí)到那兒。
Forest fires are often caused by broken glass or by cigarette ends which people carelessly throw away.
森林火災(zāi)時(shí)常由破碎的玻璃或人們隨手扔掉的香煙頭引起。