Methylene
n. 亚甲基\\n[化] 亚甲基
🗣️ 情景例句
Thanks for your help.
谢谢你的帮助。
First think, and then speak.
先想后说。
Hubert Latham took off from the French coast in his plane the 'Antoinette IV.
休伯特。莱瑟姆驾驶“安特瓦特4号”飞机从法国海岸起飞，