R-f line
[電] 射頻線
?? 詞語組成解析
line
[la?n]
n. 線條;排;行列;界線;
vt. 排隊;用線標(biāo)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
with Admissions at Columbia University.
與Columbia大學(xué)的招生人員。
It's more valuable.
這更有價值。
and realized that it was a sign that the child was growing up and developing valuable powers of observation and independent judgment,
并且意識到這象征著孩子們正在成熟和發(fā)展寶貴的觀察力、獨立判斷力，