Altrasonograph
超声图像记录仪
🗣️ 情景例句
I think we'd better head home.
我想我们最好上路回家啦。
I'll go on an outing with some friends.
我与朋友去郊游。
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。