🧩 词语组成解析
subclass
['sʌbˌklɑ:s]
n. 亚纲，子集;子类;
n. 主龙类；[古生] 初龙亚纲
🗣️ 情景例句
Tell me about your book.
谈谈你的书吧。
In the world, who knows not to swim goes to the bottom.
处世似游泳，不会即下沉。
A new machine called 'The Revealer' has been invented and it has been used to detect gold which has been buried in the ground.
一种叫“探宝器”的新机器已经发明出来，并被人们用来探测地下埋藏的金子。