Key brick
[机] 楔形砖
🧩 词语组成解析
key
[kiː]
n. 钥匙;（打字机等的）键;关键，线索，秘诀;（音乐的）调;
vt. 键入;锁上;调节…的音调;提供线索;
vi. 使用钥匙;
adj. 关键的;主要的;
brick
[brɪk]
n. 砖，砖块;砖块状物体;一砖的厚度;〈口〉大好人;
vt. 用砖建造、砌或铺;用砖围住或堵住;
adj. 用砖做的;似砖的;
🗣️ 情景例句
Good for you.
我真为你高兴。
I had met Stone, too.
我也见过。
This would solve the problem of ventilation, for if a train entered this tunnel, it would draw in fresh air behind it.
因为如果有列火车开进隧道，它就把新鲜空气随之抽进了隧道。