Boundary wavelength
[医] 边界波长
🧩 词语组成解析
🗣️ 情景例句
Let's do lunch.
咱们做午饭吧。
What time's the next train to Washington?
下一趟去华盛顿的车几点开？
Sitting down on a dilapidated wooden fence near the field, we opened a couple of tins of sardines and had a picnic lunch.
我们在田边一堵东倒西歪的篱笆墙上坐下来，打开几听沙丁鱼罐头，吃了一顿野外午餐。