Waldeyer's glands
[医] 瓦耳代尔氏腺(睑缘内汗腺)
🧩 词语组成解析
n. 腺体（gland的复数）；气封
🗣️ 情景例句
that I wasn't sure.
我说我不能确定。
It's urgent to improve the packing.
必须马上改进包装。
Once, however, it failed to give the correct time.
然而有一次，它却把时间报错。