A clean bill of health
健康证明书
🧩 词语组成解析
clean
[klin]
adj. 清洁的;整齐的;新的;正派的;
vt.& vi. （使）清洁;变干净;除去…的灰尘;使…干净;
vi. 清扫;
adv. 完全地，彻底地;
n. 打扫;
bill
[bil]
n. 帐单, 清单, 钞票, 鸟嘴, 广告, 法案, 票据\\nvt. 开帐单, (用招贴)宣布
of
[əv]
prep. 关于;属于…的;由…制成;
aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气];
health
[helθ]
n. 健康状况;卫生;保健;昌盛，兴旺;
🗣️ 情景例句
looking for a small house or an apartment
找一个小住宅或公寓
Father has prescribed a course of action for my bother.
父亲指使弟弟的行动。
Alternatively, if the star were small, the life-supporting planet would have to have a close orbit round it and also provide the perfect conditions for life forms to develop.
反之，如果恒星很小，维持生命的行星就要在离恒星很近的轨道上运行，而且要有极好的条件才能使生命得以发展，