Catecholborane
儿茶酚硼烷
🗣️ 情景例句
I estimate his age to be about 30.
我估计他的年龄大约30岁。
Men, at soome time, are masters of their fates.
人有时是自己命运的主人。
They gave me a FORM and told me to fill it out.
他们给我一张表让我填。