Downstream line
[化] 下游管線
?? 詞語組成解析
downstream
['da?nstri:m]
adv. 在下游地;順流地;
adj. 順流而下的;在下游方向的;
line
[la?n]
n. 線條;排;行列;界線;
vt. 排隊;用線標出;沿…排列成行;給…安襯里;
vi. 形成一層;排隊;擊出平直球;
??? 情景例句
Hello, I'm glad to meet you. I've heard so much about you.
你好， 很高興見到你。 久仰， 久仰。
You can't make omelets (or omeletts) without breaking eggs.
有失才有得。
Do you have some time tomorrow?
明天有空吧？