R.f.t. classes
[医] Rh分组(血族)
🧩 词语组成解析
[医] 右额横(胎位)
n. 级别, 阶级（class复数形式）
🗣️ 情景例句
Is room service available?
有房间服务吗？
He lived in California until he was seventeen.
他生活在加利福尼亚直到他十七岁。
The public bet a great deal of money on Mendoza, but he was defeated.
公众把大笔赌注下到了门多萨身上，但他却输了。