Complex formation
[医] 复合物形成
🧩 词语组成解析
formation
[fɔ:'meiʃən]
n. 形成;构成，结构;形成物;编队，队形;
🗣️ 情景例句
Where there's smoke, there's fire.
事出必有因，无风不起浪。
To trip and fall
绊倒
The stream wound its way across the field and then flowed right under their tent!
那小溪弯弯曲曲穿过田野，然后正好从他们的帐篷底下流过去。