Gonimeter
[电] 测角计
🗣️ 情景例句
Look before you leap.
三思而后行。
He who would climb the ladder must begin at the bottom.
爬梯必须从底层开始。
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。