Acid phosphate den
[机] 过磷酸钙(储藏)室
🧩 词语组成解析
phosphate
['fɔsfeit]
n. 磷酸盐;（含有少量磷酸的）汽水;
den
[den]
n. 兽穴;贼窝;简陋污秽的小室;书斋;
vi. 穴居;藏到洞里;进窝（冬眠）;把…赶入洞中;
🗣️ 情景例句
Frankly, neither was I.
坦白的说 ，我当年也不好。
In universities,students train to become teachers and engineers.
在大学里，学生们被训练成为教师和工程师。
The contract will be sent to you by air mail for your signature.
合同会航邮给你们签字。