Ruthenium
n. 钌\\n[化] 钌Ru
🗣️ 情景例句
Hi! What happened?
嗨 ！怎么回事？
He has lived here for a year.
他在这儿住了一年。[持续到现在的行为]
of becoming more likely to die the older we get, was something self-evident,
人随着年龄的增长而接近死亡，这是不言而喻的，