🧩 词语组成解析
boulder
['bəuldə]
n. 卵石，圆石;巨砾，冰砾;漂砾;
fern
[fə:n]
n. <植>羊齿植物，蕨类植物;
🗣️ 情景例句
The Post Office aims to improve its quality of service.
邮局锐意改善服务质量。
Could you please let us know what discount you can give for an order exceeding 400 sets?
能否告知定货超过400台你方所能给的折扣。
Growth, however, brings new problems and concerns.
不过，发展也带来了新的问题和顾虑。