Etr
[医][=effective thyroxin(e)ratio]有效甲状腺素比率
🗣️ 情景例句
The man grabbed my bag and ran away.
那男人抢了我的皮包就跑了。
He washes dresses every day.
他每天都洗衣服。
Is it going to the head office?
寄到总公司？