Three-level system
[計] 三級系統
?? 詞語組成解析
three
[θri]
num. 三;三個;第三（章，頁等）;
n. 三歲;三個人[東西];三，三個;
adj. 三的;三個的;
level
['l?vl]
n. 水平，水準;水平線，水平面;水平儀;[物]電平;
adj. 水平的;同高度的;平均的;平穩的;
vt. 使同等;對準;弄平;
vi. 拉平;（用槍等）瞄準（與 at 連用）;變得平坦;將（話、批評等）對準目標;
vi. 瞄準;拉平;變得平坦;
??? 情景例句
All the Stewart men were big. Stewart
家的男人都很大。
I heard you'd been sick.
聽說你身體不舒服。
He could not wash himself or get dressed.Instead, his sister or his parents had to help him.
他自己不能洗澡或穿衣服，他的姐姐或父母親就只好幫他的忙。