Opt in
决定参加
🧩 词语组成解析
opt
[ɔpt]
vi. 选择，挑选;
in
[ɪn]
prep. 采用（某种方式）;穿着，带着;（表示位置）在…里面，（表示领域，范围）在…以内;（表示品质、能力等）在…之中;
adv. 在家;进入，到达;流行;当选;
adj. 在内的，朝内的;在位的，执政的;[口语]流行的，时髦的;（车等）到站的;
n. 执政党，掌权者;知情者;<美口>入口，门路;<体>（板球或棒球）攻球的一方;
🗣️ 情景例句
When you read, read as loudly as possible, as clearly as possible and as quickly as possible.
当你读的时候，要尽量大声、尽量清晰和尽量快速。
To paint the roof
油漆屋顶
Most of them were able to climb out in time. However four men were not quick enough to escape the flames.
大部分工人能够及时逃生。可是有4个工人来不及逃离火场。