Alloxin
[医] 核嘌呤
🗣️ 情景例句
Just a moment, please.
请稍侯。
His presence in the room was not noticed.
没有人注意到他在房间里。
'Where have you been hiding?' she asked impatiently.
“你躲到哪儿去了？”她不耐烦地问，