R band
[化] R谱带
🧩 词语组成解析
band
[bænd]
n. 带;乐队;衣带;价值;
vt. 给…镶边;用带绑扎;（将价格、收入等）划分档次;把…联合起来;
vt.& vi. 结合起来，伙同;
vi. 聚集，联合（起来）（通常与together 连用）;
band(to bind)→皮带；带子；条纹；乐队
🗣️ 情景例句
I estimate his age to be about 30.
我估计他的年龄大约30岁。
I don't think it's four o'clock yet.
我认为现在还不到四点。
True and False have opposite meanings.
真与假含义完全相反。