🧩 词语组成解析
abbr. 年轻人（young adult）；偏航轴（yaw axis）
mum
['mʌm]
n. 菊花, 沉默\\na. 沉默的\\nvi. 演哑剧\\ninterj. 别说话
🗣️ 情景例句
Examinations are at hand.
考试在即。
Sometimes the best gain is to lose.
有时大得即大失。
and he estimated that there were more than 2,250,000 in one acre;
他估计每英亩草坪里有225万多只蜘蛛。