Gastightness
n. gastight的变形
🗣️ 情景例句
Keep smiling! things will calm down.
乐观一点，事情会平息下来的。
She took an aspirin to relieve her headache.
她吃了一片阿斯匹林以解头痛。
May I know the quantity you require?
请问你们需要多少数量的货物？