Pcx
n. 图形文件（DOS文件扩展名）\\nabbr. 周视凸面（periscope convex）
🗣️ 情景例句
that I'd like your opinion about.
我需要你的意见。
Whom will you invite to the wedding?
你将邀请谁参加婚礼？
Whether a planet can support life depends on the size and brightness of its star, that is its 'sun'.
一颗行星是否能够维持生命取决于它的恒星——即它的“太阳”——的大小和亮度。