Concave slide
[建] 凹槽载片
🧩 词语组成解析
concave
['kɔn'keiv]
n. 凹面，成凹形;
adj. 凹的;
vt. 使成凹形;
slide
[slaɪd]
vi. 滑落;下跌;打滑;[棒球]滑垒;
vt. 衰落（成）;逐渐降低;使悄悄转动;（使）快捷而悄声地移动;
n. 幻灯片;降低;
🗣️ 情景例句
I wasn't born yesterday.
我又不是三岁的孩子。
It's a small world.
世界真小！
I have had several conversations with him.
我已经和他谈过几次了。