Become flat
泄气
🧩 词语组成解析
flat
[flæt]
adj. 平的;单调的;不景气的;干脆的;
adv. （尤指贴着另一表面）平直地;断然地;水平地;直接地，完全地;
n. 平地;公寓;平面;
vt. 使变平;[音乐]使（音调）下降，尤指降半音;
vi. 逐渐变平;[音乐]以降调唱（或奏）;
🗣️ 情景例句
Thank you.
谢谢。
Do I have to reserve a seat?
我一定要预订座位吗？
Though the doctors did his best, the patient's recovery was slow.
尽管医生竭力医治，但病人恢复缓慢。