Leukomethylene
[医] 亚甲白, 无色亚甲蓝
🗣️ 情景例句
What do you do in your spare time?
你在业余时间如何消遣？
John stopped to study.
约翰停下来去学习。
'Mr. Lane was defeated in the elections.
“莱恩先生在大选中被击败了，