Concave slide
[建] 凹槽載片
?? 詞語組成解析
concave
['k?n'keiv]
n. 凹面，成凹形;
adj. 凹的;
vt. 使成凹形;
slide
[sla?d]
vi. 滑落;下跌;打滑;[棒球]滑壘;
vt. 衰落（成）;逐漸降低;使悄悄轉動;（使）快捷而悄聲地移動;
n. 幻燈片;降低;
??? 情景例句
May I speak with Mr. Chen, please?
可以請陳先生聽電話嗎？
I see what a problem I have.
我遇到了個大問題。
Some of them are going to the park.
他們中有幾個正走進公園。