Perklone
全氯乙烯
🗣️ 情景例句
Can you give me this for cheaper?
能便宜一点给我吗？
Jenny is delighted with her poem.
珍妮为自己做的诗感到高兴。
I'm not sure that this conference is as good as last year's.
我确信这次会议不如去年的会议精彩。