🧩 词语组成解析
marshmallow
[[ˌma:ʃmæləu]]
n. 药用蜀葵, 蜀葵糖剂
fluff
[flʌf]
n. 绒毛，软毛;小东西;浮浅的娱乐;[非正式]失误;
vt. 使松软;搞糟，失去;忘记或说错了台词;
vi. 变得松软;[非正式]忘词;
🗣️ 情景例句
Thank you.
谢谢。
All measurements of each case must not exceed 1.5m*1m*1m.
每只木箱体积不应超过1。5m*1m*1m。
Two factors weigh heavily against the effectiveness of scientific research in industry.
两个因素严重地影响工业里科学研究的效果：