Rlv
[医][=rauscher leukemia virus]劳舍尔白血病病毒
🗣️ 情景例句
He's cheating on his wife.
他对妻子不忠。
Nothing for nothing.
不费力气，一无所得。
Both! American spellings are used more and more in Canada now.
两种都用！现在在加拿大人们越来越多的采用美国拼法了。