Bicharacteristic ray
[計] 雙特征射線
?? 詞語組成解析
[計] 雙特征的
ray
[rei]
n. （熱或其他能量的）射線;光束，光線;微量;傘形花序柄;
vt. 放射;照射;（思想，希望等）閃現;發光;
??? 情景例句
and ... and when the baby comes,
而且……而且嬰兒出生以后，
I'm afraid it was a bother for you to do this.
我害怕做這會給你帶來麻煩。
It's about a time when there were black slaves in North America. It's about their fight for freedom.
（它）講的是有一段時期，北美洲存在黑奴。影片講述他們為自由而斗爭的情況。