Arthroderm
节肢动物皮层
🗣️ 情景例句
Do you need-that-pencil?
你要那只铅笔吗？
How much is the telephone bill a month?
每个月电话费要多少钱？
' The manager was sympathetic, but he could do nothing.
”经理深表同情，但却无能为力。