Aids to trade
[经] 贸易支柱
🧩 词语组成解析
AIDS
[eidz]
abbr. acquired immune deficiency syndrome 获得性免疫缺乏综合征（爱滋病）;acute infectious diseases 急性传染病;aircraft integrated data system 飞行器集成数据系统;
n. 助手( aid的名词复数 );外援;辅助设备vi.;帮助;
to
[tu,tə]
prep. 向，朝着;到;关于;属于;
adv. 朝一个方向的;到某种状态;关闭;
trade
[tred]
n. 贸易;行业;<美>顾客;买卖;
vt.& vi. 交易，经商;
vt. 交换;经营…交易，做…的买卖;
vi. 贸易;买卖;以物易物;
🗣️ 情景例句
I'm on the top floor.
我在顶层。
See you later.
待会见。
After chipping through a wall which was eighteen inches thick, they found that a man had been trapped in the chimney.
他们凿透了18英寸厚的墙壁，发现有个人卡在烟囱里。