🧩 词语组成解析
fern
[fə:n]
n. <植>羊齿植物，蕨类植物;
🗣️ 情景例句
Yes, Alexandra.
对， Alexandra。
Kept waving to her mother until the train was out of sight.
不断地冲她的母亲挥手，直到火车驶出了视线。
The doctor advised me to give up smoking.
医生建议我戒烟。