Sieve tube
出国 Abroad筛管
🧩 词语组成解析
sieve
[sɪv]
n. [粮食][矿]筛子;滤网;不能保守秘密的人，嘴不严的人;
v. 筛，筛选;滤;
🗣️ 情景例句
What time is it?
什么时间啦？
Every tide hath its ebb.
兴盛之日必有衰退之时。
which is, in fact, much more complicated.
地震波的运动实际比这要复杂得多。