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
visiting places of revolutionary interest, outings, parties.
参观革命圣地，出去郊游，或者举办晚会。
May I have a disembarkation card?
请给我一张离机卡好吗？
In this part of the cave, they could hear an insistent booming sound which they found was caused by a small waterspout shooting down into a pool from the roof of the cave.
在这儿，他们可以听见一种连续不断的轰鸣声。后来他们发现这是由山洞顶部的一个小孔里喷出的水柱跌落到水潭中发出的声音。