Three-level structure
[计] 三级结构
🧩 词语组成解析
three
[θri]
num. 三;三个;第三（章，页等）;
n. 三岁;三个人[东西];三，三个;
adj. 三的;三个的;
level
['lɛvl]
n. 水平，水准;水平线，水平面;水平仪;[物]电平;
adj. 水平的;同高度的;平均的;平稳的;
vt. 使同等;对准;弄平;
vi. 拉平;（用枪等）瞄准（与 at 连用）;变得平坦;将（话、批评等）对准目标;
vi. 瞄准;拉平;变得平坦;
🗣️ 情景例句
I'd like to cash some traveller's checks here.
我想在这儿兑换一些旅行支票。
May I have a look at the watch?
我能看看这块表吗？
and realized that it was a sign that the child was growing up and developing valuable powers of observation and independent judgment,
并且意识到这象征着孩子们正在成熟和发展宝贵的观察力、独立判断力，