Xh
abbr. extra hard 特硬的（代号）; extra heavy 特重的（代号）; extra high 特高的（代号）
🗣️ 情景例句
Come in.
请进。
Do you fly to Dallas on Sunday?
星期日你们有班机去达拉斯吗？
The brothers differ from each other in their interests.
这几个兄弟各有所好。