Dead-pan
adj.& adv. <美俚>面部无表情的[地]，不带感情色彩的[地]
📖 牛津释义
dead-pan
adj expressionless 无表情的: a dead-pan face/look 无表情的脸[目光]
dead-pan humour, ie when the speaker pretends to be very serious 无表情的幽默（说话人故作严肃认真）.
🧩 词语组成解析
dead
[dɛd]
adj. 死去的;完全的;无感觉的;呆板的;
adv. 完全地;非常;绝对;极度;
n. 死者;（死一样的）寂静;极寒时候;
pan
[pæn]
n. 平底锅;盘状的器皿;淘盘子，金盘，秤盘;
vt. 淘金;在浅锅中烹调（食物）;[非正式用语]严厉的批评;
vi. 淘金;在淘洗中收获金子;
🗣️ 情景例句
Don't put all your eggs in on basket.
不要孤注一掷。
How nice. Where were you exactly?
太好了，那你究竟去哪儿啦？
The further off this solid obstruction, the longer time will elapse for the return of the echo.
固体障碍物越远。回声返回所用时间就越长。