Lanon
聚酯纤维
🗣️ 情景例句
If I fail this exam I'll fail the course.
我要是考试没通过，这门课就没学分了。
The offer is made without engagement. All orders will be subject to our written acceptance.
此报盘没有约束力，所有定单以我方书面接受为准。
Would it be too much to ask you to respond to my question by tomorrow?
可以请你在明天以前回复吗？