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
Have you heard the latest?
你听说那条最新消息了吗？
You've already quoted a price of $ 800 per 1,000. Is there a discount for larger orders?
你报的价是每1000个要美金800元，如大量订购有折扣吗？
Each day is a holiday,and ordinary holidays, when they come,
每天都是假日，而通常的假期到来时，