Sierras
n. 齿状山脊, 马鲛( sierra的复数形式 )
🗣️ 情景例句
Would you like something to drink?
你要不要喝点东西？
He is suffering from whiplash.
他因鞭打症而受着苦。
She teaches foreign students Chinese.
她教外国学生汉语。