Vacuum test
[化] 真空检验
🧩 词语组成解析
🗣️ 情景例句
Better late than never.
迟做总比不做好。
He's been everywhere.
他到处都去过了。
It caused devastation by burrowing and by devouring the herbage which might have maintained millions of sheep and cattle.
它们在地下打洞，吃掉本可以饲养数百万头牛羊的牧草，给澳洲大陆造成了毁灭性的破环。