Seal by b-ring
[化] B型环密封
🧩 词语组成解析
seal
[sil]
n. 密封;印章;海豹;封条;
v. 密封;盖章;决定;封上（信封）;
by
[baɪ]
prep. 在…旁边;表示方式;由于;经过;
adv. 经过;表示保留或保存时用;短暂拜访;
ring
[riŋ]
n. 戒指，指环;铃声，钟声;环形物;拳击场;
vt. 形成环状;环绕;使（例如铃）响;打电话给;
vi. 按铃，敲钟;回响;成环形;
🗣️ 情景例句
and come back Sunday.
然后在星期天回来。
Look over to the southeast and you can see the con stellation of Orion.
眺望东南方向，你就可以看到猎户星座。
I repeated my question several times and at last he understood.
我把问话重复了很多遍。他终于听懂了。