Ultrasonic polymerization
[化] 超声波聚合
🧩 词语组成解析
n. 聚合\\n[化] 叠合反应; 聚合; 聚合反应
🗣️ 情景例句
I just have my driver's license with me. Is that enough.
我身上只带了驾驶执照，这样够了吗？
Did you hear something?
你听到了什么？
I haven't heard from her for a long time.
我好久没有她的消息了。