🧩 词语组成解析
quark
[kwɑ:k]
n. 夸克（构成原子的最小粒子）;
🗣️ 情景例句
They're open.
店开着。
She is scared to death.
她吓得半死。
The temperature will stay above zero in the day-time, but at night it will fall below zero again.
白天气温保持在零度以上，但夜间仍会降至零下。